' +JJJJ ?\>m 0M='+l> /+l   d]@ŵLҦ]]LF L}BBL]` X  ` 鷎귭෍ᷩ췩緈JJJJx Lȿ L8ᷭ緍췩 緍i 8 `巬 췌`x (`(8`I`B` pp>J>J>VU)?`8'x0|&HhHh VY)'&Y)xꪽ)' `Hh`V0^*^*>&` aI꽌ɪVɭ&Y&&Y& 꽌ɪ\8`&&꽌ɪɖ'*&%&,E'зЮ꽌ɪФ`+*xS&x'8*3Ixix&& 8  '  & x)*++`FG8`0($ p,&"ųųೳŪŪųųij  !"#$%&'()*+,-./0123456789:;<=>?   1 '" *"( (9"1 ( ,.(0# 2  /#0/#0 *?'#07#00/0/'#07#0:"4<*55/**5/*%5/)1/)1/)1/)'#0/#0*5/*75/**5/*:5//#0/#0'#07#0:::*::'#07#0"):$(%"%:$(%"%$$2%4%$$2%4%$(2()!)E(!8b $!H(+ "@H !D)"E` @ $ C ` DQ &J80^݌Hh ü ü݌ ռ ռ ռA ļD ļ? ļAEDE?HJ>h Լ ռ ռ ռ`HJ>݌h Hh݌`葠葠ȔЖȔЖȠHIHHHHhHH݌hHhHh݌H6 VDP (ED Z $0x8x D- ܸDD# H8`?E Vk *f???0xE Hh D#-EEE8` D ܸx D - ܸx8`-0ݩ?ʥD EEE`   LDcpq` [` ~  LӜu`".Q`pNФbptťܥm2<(-Py0\|e<6e<g< JJJJj귍hI  aUL@ kU8  L  Q^R(jQ0l^l\  wUuW ԧ H h@ [_ /QSb_L`LLLL`ª`LQLYLeLXLeLee ўQH\(h0L& Ꝥ$`( R \ZLl8 ўR HH\`\Z[YS6`LxQɿu3'RͲʎRʎ]]]ɍuL͟ɍ}RLRɍg^H8 ^hZLɍR LͲɊRR% QLܤͲ Z@ -^ ş\[Z QY\[Z8`l6Lş_Ȍb_Ͳ] )Y h( ֭ͲLɍ [LLĦ__ ^ 9 LҦ3 9 a   0LjLY u< (_9 ˭ɠuɠK_9 ?LˆʎõĵL õ ĵµ aµ`` L̦µ_bJLuLz`  ȟ QLJ̥KlVlXlV eօ3L e3L &RL &QL d L4 Ne)n `@-eff `LLL` OPu d L Ne)noon 8ɍ` ^f\õL ^NR  RΩLҦ)\Z ʽ LHv 3h`0h8` [L NС õ`A@` ŵL^Lõ`  \ 濭0 \  ȟ Q ^\lZl^?cqH şch`fhjõĵ@OAP`u@`@&`QR`E Ls  @DAE@u`8` %@ @A@`@`@A`Mµ ) LЦ`8@AWc@8@-@HAȑ@hHȑ@ȑ@hHȑ@Ȋ@ch8&ȑ@Hȑ@Ah@LHȑ@ȑ@ htphso`hMhL`9V8U897T6S67`MAKLOASAVRUCHAIDELETLOCUNLOCCLOSREAEXEWRITPOSITIOOPEAPPENRENAMCATALOMONOMOPRINMAXFILEFINBSAVBLOABRUVERIF!pppp p p p p`" t""#x"p0p@p@@@p@!y q q p@  LANGUAGE NOT AVAILABLRANGE ERROWRITE PROTECTEEND OF DATFILE NOT FOUNVOLUME MISMATCI/O ERRODISK FULFILE LOCKESYNTAX ERRONO BUFFERS AVAILABLFILE TYPE MISMATCPROGRAM TOO LARGNOT DIRECT COMMANč$3>L[dmx- (  @Ҡ@跻~!Wo*9~~~~ɬƬ~_ j ʪHɪH`Lc (L ܫ㵮赎 ɱ^_ J QL_Ls贩紎 DǴҵԵƴѵӵµȴ 7 ַ :ŵƴѵǴҵȴµ納贍﵎ٵ്ᵭⳍڵL^ѵ-I `  4 ò-յ!  8صٵ紭ﵝ 7L (0+BC  7L HH`LgL{0 HH` õL H hBL BH [ h`Lo õ ڬL B ڬ LʬH hB@ յյ [L (ȴ) ȴ 7L L ( L (ȴL{ƴѵ洩ƴǴҵ 7 ^* B0 HȱBh ӵԵ 8 L8 ݲ`XL XQTV8 <=C>?Bؠ ,L       紅D贅E B ƴ  / 0L Ν `HD٤DEEhiHLGh ` ŵBѵ-` ѵB-` ܫ XI볩쳢8 DH E𳈈췍Ȍ X0 · JLǵBȵC`,յp` 䯩 R-յյ`յ0` K R-յյ`ɵʵӵԵ` 4 K ( ѵҵLBȱBL8` DBHBH : ַ޵BȭߵBhhӵԵ RBܵmڵ޵ȱBݵm۵ߵ` 䯩LR˵̵ֵ׵`êĪLR E( 8` R` ELRŪƪ`췌 յյI뷭鷭귭ⵍ㵍跬ª 뷰` Lf ݵܵߵ޵ ^`8ܵ i B8` 4L ֵȱB׵ ܯ䵍൭嵍 ` DȑB׵Bֵ  ַ յյ`굎뵎쵬 뵎쵌``õĵBCõĵ`µµ`L õBĵCصص Qƴ0"Bƴ 󮜳` 0۰ϬBƴ8`i#`ЗLw!0>ﵭ` m ﳐ 7i볍 8 ЉLw`H h ݲL~ `浍국䵍뵩嵠Jm赍嵊mjnnn浈ۭm浍浭m䵍䵩m嵍`"L ŵ8ŵH ~(`F d ֠z# up POINTERS554,189:55,158:43603,240:43604,253:n THIS SUBROUTINE SETSS POINTERSTO HI-RES SCREEN54,189:55,151:43603,189:43604,151:p UNITSELECTIONzUU((1)8)1:UUUP6010UPUUUU6021,6022,6023,6024,6025,6026,60":11:19:"<---^S^UBSTITUTE VALUES."h13:"^A^=(3.14)(";RR;")":13:19:"<-------^M^ULTIPLY ONCE."15:"^A^=";A;" SQ. ";U$:15:19:"<------^M^ULTIPLY AGAIN.":11000:15000:9:6:" ":HC0:82:63:999  THIS SUBROUTINE SETS LO-RESNCE."ok15:"^C^ = ";C;" ";U$:15:19:"<------^M^ULTIPLY AGAIN.":11000:15000:6:9:" ":HC0:82:63: A=PI X R^29:"^A^= R":V9:H3:9500:V9:H6:8100:9:19:"<---^W^RITE THE FORMULA.":A3.14RR%11:"^A^=(3.14)(";R;")(";R;")0:48:4:10:" ":63:-R C=2 X PI X R~\9:"^C^ = 2 R":V9:H6:9500:9:19:"<---^W^RITE THE FORMULA.":C23.14Ra11:"^C^ = 2(3.14)(";R;")":11:19:"<---^S^UBSTITUTE VALUES."f13:"^C^ = (6.28)(";R;")":13:19:"<-------^M^ULTIPLY O^ IS INSCRIBED IN A SEMICIRCLE. ^T^HATMAKES ITS INTERCEPTED ARC 180 DEGREES."::"^S^INCE AN INSCRIBED ANGLE IS MEASURED BY HALF ITS INTERCEPTED ARC, IT MUST BE A RIGHT (90 DEGREE) ANGLE."11000:150001:X40,12X12,59X40,72X41,72X13,5916X41,1271:12:"^D^":6:3:"^E^":12:8:"^F^"Q$"^L^OOK AT ANGLE ^D^^E^^F^. ^I^TS DEGREE MEASURE MUST BE":Q1$"IMPOSSIBLE TO DETERMINE.":Q2$"90 DEGREES.":Q3$"GREATER THAN 90 DEGREES.":A$"B":7000H1:V10:85002:10:"^D^^E^^FHE DEGREE MEASURE OF ARC ^P^^R^ (120 DEGREES) IS THE DEGREE MEASURE OF THE ANGLE. ^H^ALF OF 120 IS 60 DEGREES!"11000:15000HC0:71:72:76:4:" ":15:1:" ":16:7:" "63 HC2:35:X40,12X12,Y16X40,72X41,72X13,Y 799  C=PI X D_*10:"^C^ = D <---^W^RITE THE FORMULA.":V10:H5:9500l/C3.14D412:"^C^ = (3.14)(";D;")":12:19:"<---^S^UBSTITUTE VALUES."914:"^C^ = ";C;" ";U$:14:19:"<------^M^ULTIPLY TERMS.":11000:15000:HCW1W1:710 W1W1.14:7100 W1W1.28:710C W1W1.42:710Q W1C700n W2(A(((1)4)1).5) W7((1)2)1:W7724,725,726,727 W2W2:730 W2W2.14:730 W2W2.28:730 W2W2.42:730 W2C720 W2W17206000:4:10:D;U$( 57000:800:8900:y XR((1)50)1:Q$"^T^HE CIRCLE'S CIRCUMFERENCE IS ":H31:A6.28R:CA ]700 b82:63:6000:6:9:R;U$:7000:850:8900: W1(A(((1)4)1).5):CA W7((1)4)1:W7704,705,706,707 4);"RUN FILER":475m R((1)50)1:6000:Q$"^T^HE AREA OF THIS CIRCLE IS SQ.":H28:A3.14RR:700 82:9:6:R;U$:7000:900:8900  &D((1)50)1:Q$"^T^HE CIRCLE'S CIRCUMFERENCE IS ":H31:A3.14D:CA +700 048:63:500,550,600,500  62450:7:"^W^ELL, ^I^ JUST FIGURED OUT THAT ^I^'M ALL FIGURED OUT.":11:"^I^N FACT, IF ^I^ HAD A HEAD IT WOULD BE SPINNING AROUND IN CIRCLES!" 11000:62450:9:10:"^S^EE YOU NEXT LESSON!":N11000: 1000::(40,YX57,Y24X58,Y24X41,Y:4 d11000:15000 12:"^Y^OU'RE REALLY GOING TO NEED A PENCIL":"AND SOME PAPER FOR THESE!":11000:15000 TV110 MP((1)4)1:MPPM455 PMMP C((1)6)1:C4457 CHC457 HCC MP 2000025934b46,0:X38:Y43:46,0::35,17:230,64:0:0:1014,165:1015,98:2000r CIRCLES3B{1000HC:X6,YX75,Y:: HORIZONTAL?7:X39,YX42,Y:X40,Y1X41,Y1:X40,Y1X41,Y1:: DRAWS CENTER" RHC:X        RE NO SQUARE!":7130>RG$"^I^S SOMEONE HELPING YOU?":7130tRG$"^D^ARN! ^I^ THOUGHT ^I^'D FOOL YOU!!":7130RG$"^T^HAT STRIKES A FAMILIAR CHORD!":7130RG$"^Y^OU GOT RIGHT TO THE CENTER OF THAT ONE!":7130RG$"^Y^OU'RE NOT EASILY LEOUTINE **&R((1)9)1:RRR71008765,(765)1ARRRuR7121,7122,7123,7124,7125,7126,7127,7128,7129{RG$"^Y^OU'RE TRAVELLING IN THE RIGHT CIRCLES!":7130RG$"^Y^OU ZEROED RIGHT IN ON THAT ONE!":7130RG$"^W^OW! ^Y^OU'^U^^R^^N^>.":7200"lB$A$7100Ku *** INCORRECT ANSWER ROUTINE ***v16:" "16:6:"^T^HE CORRECT ANSWER IS (";A$;").":11000:7140  ** CORRECT ANSWER R THIS SUBROUTINE SETSS POINTERSTO HI-RES SCREENb54,189:55,151:43603,189:43604,151:{W QUIZ ROUTINE* * X Y10:Q$\12:"(A) ";Q1$:"(B) ";Q2$:"(C) ";Q3$b16:"^T^YPE IN THE CORRECT LETTER...":3:"THEN PRESS <^R^^E^^T^IME, IT'S EVEN POSSIBLE THAT WE'LLGO OFF ON A TANGENT!":13995:11000Lm7yr::10:"^S^EE YOU NEXT LESSON!":13998|1000::(4);"RUN FILER":380999 THIS SUBROUTINE SETS LO-RES POINTERS54,189:55,158:43603,240:43604,253:6CLE'S CIRCUMFERENCE."::"^T^HE DIAMETER OF A CIRCLE IS ITS LONGEST CHORD.":11000:62450T5:"^W^ELL, NOW YOU HAVE A GOOD DEAL OF INSIDEINFORMATION ABOUT CIRCLES.":13995^8:"^N^EXT TIME WE'LL TAKE A LOOK OUTSIDE.":11000:62450Eh6:"^N^EXT TLF OF 75, OR 37.5 DEGREES."-611000:15000@Q$"^W^HICH ARE CHORDS OF ^C^IRCLE ^I^?":Q1$"^A^^B^ ONLY.":Q2$"^A^^B^ AND ^A^^C^ ONLY.":Q3$"^A^^B^, ^A^^C^, AND ^A^^F^.":A$"C":7000YJ10:"^A^ CHORD IS A SEGMENT THAT HAS BOTH END POINTS ON THE CIRES.":Q3$"105 DEGREES.":A$"A":7000,10:"^A^NGLE ^B^^A^^F^ IS AN INSCRIBED ANGLE.":"^I^T INTERCEPTS ARC ^B^^F^, WHOSE MEASURE IS 75 DEGREES."1:"^S^INCE AN INSCRIBED ANGLE IS MEASURED BY HALF ITS INTERCEPTED ARC, ANGLE ^B^^A^^F^ MUSTCONTAIN HAEPTED ARC. ^S^INCE ANGLE ^B^^I^^F^ INTERCEPTS ARC ^B^^F^, WHOSE DEGREE MEASURE IS 75 DEGREES, ANGLE ^B^^I^^F^'S MEASURE MUST ALSO BE 75 DEGREES."11000:15000$"Q$"^T^HE DEGREE MEASURE OF ANGLE ^B^^A^^F^ IS":Q1$"37.5 DEGREES.":Q2$"75 DEGREMFERENCE."::"^I^^A^, ^I^^B^, ^I^^F^, AND ^I^^C^ ALL FIT THE BILL!":11000:15000Q$"^T^HE MEASURE OF ANGLE ^B^^I^^F^ IS":Q1$"37.5 DEGREES.":Q2$"75 DEGREES.":Q3$"105 DEGREES.":A$"B":700010:"^A^ CENTRAL ANGLE IS MEASURED BY ITS INTERC BY THE LETTER THAT NAMES ITS CENTER."::"^T^HIS, THEREFORE, IS ^C^IRCLE ^I^.":11000:15000 Q$"^H^OW MANY RADII ARE DRAWN IN ^C^IRCLE ^I^?":Q1$"2":Q2$"3":Q3$"4":A$"C":7000R10:"^A^ RADIUS IS A SEGMENT DRAWN FROM THE CENTER TO THE CIRCU TO ANSWER THE FOLLOWING QUESTIONS. (^I^ KNOW THAT THEY WOULD HELP ME.)"] 11000:15000 Q$"^T^HE NAME OF THIS CIRCLE IS":Q1$"^C^IRCLE ^I^.":Q2$"^C^IRCLE ^A^^I^^F^.":Q3$"^C^IRCLE ^A^^B^^F^^C^.":A$"A":7000^ 10:"^A^ CIRCLE IS ALWAYS NAMED"^C^" 11:5:"^I^") 18:5:"^F^"G 5:2:"105":17:2:"75"e 5:7:"105":17:7:"75" 10:"^T^HE NUMBERS INDICATE THE DEGREE MEASURESOF THE ARCS IN THIS CIRCLE."K :"^T^HOSE MEASURES, AS WELL AS THE MARKED SEGMENTS, WILL HELP YOUX56,Y29X7,Y:= HHC:X6,YX57,Y24X58,Y24X7,Y:j QHC:X40,YX55,Y29X56,Y29X41,Y: RHC:X40,YX57,Y24X58,Y24X41,Y: d nHC1:71:72 xHC2:48 HC5:81:82 7:63 6:5:"^A^":15:1:"^B^":15:8:,57X71,57X11,27:C -HC:X11,57X70,27X71,27X12,57:7:j 0HC:X6,YX74,Y:: HORIZONTAL ?X39,YX42,Y:X40,Y1X41,Y1:X40,Y1X41,Y1:: DRAWS CENTER E DRAW CHORDS FHC:X10,Y16X72,Y16: GHC:X6,YX55,Y292 2000025934"46,00X38:Y43:46,0J CIRCLES1DP [ 35,17g230,64q0:01014,165:1015,982000100 DIAMETER SUBROUTINES: SET HC#HC:X40,12X40,72X41,72X41,12: (HC:X11,27X70       "  (%38:15:255:" ":16368,0:B$E(B$(3)ER255::20010]*B$(8)B$""7200u/B$"A"B$"C"7200215:38:B$:04RT$6RT$(3)ER255::200109RT$(8)Ģ15:38:" ":7200>RT$(13)7220C#xNN13:CH128'RE RIGHT AS APPLE ^PI^!!":713016:" ":16:RG$CB(((1)65)64):CDCB:NN13CHCD3232:768,CH:769,CH2:770::CDCB:11000:15000:15000:NE HELPING YOU?":7130LRG$"^D^ARN! ^I^ THOUGHT ^I^'D FOOL YOU!!":7130}RG$"^T^HAT STRIKES A FAMILIAR CHORD!":7130RG$"^Y^OU GOT RIGHT TO THE CENTER OF THAT ONE!":7130RG$"^Y^OU'RE NOT EASILY LED OFF ON TANGENTS!":7130 RG$"^Y^OU765,(765)1RRRMR7121,7122,7123,7124,7125,7126,7127,7128,7129SRG$"^Y^OU'RE TRAVELLING IN THE RIGHT CIRCLES!":7130RG$"^Y^OU ZEROED RIGHT IN ON THAT ONE!":7130RG$"^W^OW! ^Y^OU'RE NO SQUARE!":7130RG$"^I^S SOMEO LETTER...":3:"THEN PRESS <^R^^E^^T^^U^^R^^N^>.":7200HlB$A$7100v16:" "16:6:"^T^HE CORRECT ANSWER IS (";A$;").":11000:7140R((1)9)1:RRR710054,189:55,158:43603,240:43604,253:_ THIS SUBROUTINE SETSS POINTERSTO HI-RES SCREEN54,189:55,151:43603,189:43604,151:X10:Q$:12:"(A) ";Q1$:"(B) ";Q2$:"(C) ";Q3$]EN1V11:H15:8500:EN368b16:"^T^YPE IN THE CORRECTED ^P^RACTICE PROGRAM."v10:"^T^HAT WILL GIVE YOU THE CHANCE TO APPLY SOME CIRCULAR REASONING.":11000:624509:10:"^S^EE YOU NEXT LESSON!":13998"1000::(4);"RUN FILER":290999 THIS SUBROUTINE SETS LO-RES POINTERS& MEASURES OF ARCS ^AC^ AND ^BD^ ARE AS SHOWN. ^DEB^'S MEASURE IS":Q1$"20 DEGREES.":Q2$"50 DEGREES.":Q3$"115 DEGREES.":A$"C":7000A190:A2140:150624505:"^W^HEN THE MENU COMES BACK ON, YOU CAN GETMORE PRACTICE BY SELECTING THE ^M^IX2:"70"&8:1:"90":10:8:"140"0EN1Q$"^S^UPPOSE THE MEASURES OF ARCS ^AD^ AND ^BC^ ARE AS SHOWN. ^CEB^'S MEASURE IS"Q1$"5 DEGREES.":Q2$"10 DEGREES.":Q3$"65 DEGREES.":A$"C":7000A160:A270:150EN1:Q$"^S^UPPOSE THE:15000:10:"^N^OW CONSIDER THE OTHER PAIR OF ANGLES, ^AEC^ AND ^DEB^.":V11:H1:8500:V11:H10:8500 13:"^T^HEY RESPECTIVELY INTERCEPT ARCS ^AC^ AND ^BD^. ^E^ACH IS MEASURED BY HALF THE SUM OFTHOSE TWO ARCS.":11000:150005:4:"60":17:EPARATELY. ^T^HE HORIZONTAL PAIR ( ^AED^ AND ^CEB^) INTERCEPT ARCS ^AD^ AND ^BC^ RESPECTIVELY." V11:H35:8500:V12:H5:8500 15:"^E^ITHER OF THOSE ANGLES IS MEASURED BY HALF THE ";:W$"SUM":10000:" OF ARCS ^AD^ AND ^BC^."j 110002:"<--^S^UBSTITUTE VALUES."o 14:"^E^= ";:V14:H3:8000:"(";A2A1;")":14:19:"<------^C^OMBINE TERMS." 16:"^E^ = ";(A2A1)2;" DEGREES.":16:19:"<---^H^ALVE THE NUMBER.":11000:15000:g 10:"^C^ONSIDER EACH PAIR OF VERTICAL ANGLES S75,Y7:> _HC:X12,Y30X160,Y16X161,Y16X11,Y30:P d11000:15000Y x200 10:"^E^= (ARC +ARC )";:H3:V10:8000:H8:V10:8050:H13:V10:8040:" <--^W^RITE THE FORMULA." 12:"^E^= ";:V12:H3:8000:"(";A2;" + ";A1;")":19:1+ GHC:X6,YX55,Y29X56,Y29X7,Y:@ Z SECANTS:91,95` [HC:X20,Y16X160,Y16: \ REPAIR SECANT DAMAGE:GOSUB93 ]7:X71,Y16X73,Y16:X8,Y16X10,Y16 ^X16,Y22X17,Y22X18,Y23X16,Y23:X75,Y6X76,Y6X76,Y7X 2000025934b46,0:X38:Y43:46,0::35,17:230,64:0:0:1014,165:1015,98:2000r CIRCLES2E{100?HC:X39,YX42,Y:X40,Y1X41,Y1:X40,Y1X41,Y1:: DRAWS CENTER E DRAW CHORDS FHC:X10,Y16X72,Y16:       15:38:B$:04RT$56RT$(3)ER255::20010V9RT$(8)Ģ15:38:" ":7205k>RT$(13)7220qCx SOUND ROUTINENN13:CH1286432:768,CH:769,CH2:770:::@ 1/2A7BVV1112:H(H7)7CH3,VH3,V3:H3,CB(((1)65)64):CDCB:NN13UCHCD3232:768,CH:769,CH2:770::CDCB:`11000m15000: INPUT ROUTINE  %38:15:255:" ":16368,0:B$(B$(3)ER255::20010*B$(8)B$""7200/B$"A"B$"C"72052Y^OU GOT RIGHT TO THE CENTER OF THAT ONE!":7130iRG$"^Y^OU'RE NOT EASILY LED OFF ON TANGENTS!":7130RG$"^Y^OU'RE RIGHT AS APPLE ^PI^!!":713016:" ":16:RG$"71308RG$"^Y^OU ZEROED RIGHT IN ON THAT ONE!":7130dRG$"^W^OW! ^Y^OU'RE NO SQUARE!":7130RG$"^I^S SOMEONE HELPING YOU?":7130RG$"^D^ARN! ^I^ THOUGHT ^I^'D FOOL YOU!!":7130RG$"^T^HAT STRIKES A FAMILIAR CHORD!":71300RG$"^6:"^T^HE CORRECT ANSWER IS (";A$;").":11000:7140Y ** CORRECT ANSWER ROUTINE **vR((1)9)1:RRR7100765,(765)1RRRR7121,7122,7123,7124,7125,7126,7127,7128,7129RG$"^Y^OU'RE TRAVELLING IN THE RIGHT CIRCLES!":"^T^YPE IN THE CORRECT LETTER...":3:"THEN PRESS <^R^^E^^T^^U^^R^^N^>.":7200bgHA1İ15000:rlB$A$7100u *** INCORRECT ANSWER ROUTINE ***v16:" "416:-RES POINTERS954,189:55,158:43603,240:43604,253:r THIS SUBROUTINE SETSS POINTERSTO HI-RES SCREEN54,189:55,151:43603,189:43604,151:W QUIZ ROUTINE* * X Y10:Q$\12:"(A) ";Q1$:"(B) ";Q2$:"(C) ";Q3$Nb16:15:H20:8050:V15:H27:8040:11000:15000eHC0:53:11:1:" ":38:1:" ":HC0:56:14:8:" "55:4:18:" ":4:4:" "10:"^I^ NEED ONE MORE SNACK..."1000::(4);"RUNCIRCLES2D"*298999  THIS SUBROUTINE SETS LO"^H^ALF OF 160 IS 80 DEGREES!":11000:1500010:"^W^E CAN SUMMARIZE THIS IDEA AS FOLLOWS:"::"^C^ALL THE MAJOR ARC ARC AND THE MINOR ARC ARC . ^T^HEN:"V12:H23:8050:V13:H8:804015:11:"^V^ = (ARC - ARC )"+V15:H15:8000:V00":4:4:"260"Q$"^L^OOK AT THE NEW VALUES ON THE DIAGRAM. ^T^HE DEGREE MEASURE OF ANGLE ^N^^V^^Y^ IS":Q1$"80 DEGREES.":Q2$"100 DEGREES.":Q3$"180 DEGREES.":A$"A":7000,10:"^T^HE DIFFERENCE BETWEEN 260 AND 100 (260 - 100) IS 160.":: ":4:3:" ":4:4:"250":1100021500010:"^T^HEN THE MEASURE OF ^N^^V^^Y^ WOULD HAVE TO BE HALF THE DIFFERENCE OF 250 AND 110.H21:V10:8500:"250 - 110 = 140."::"^H^ALF OF 140 IS 70 DEGREES!":11000:150004:18:"1, AND HALVE THE RESULT!":11000* q15000 s10:"^L^ET'S MAKE THE MINOR ARC HAVE A DEGREE MEASURE OF 110 DEGREES.":13995:3:18:" ":4:19:" ":4:18:"110":11000 x14:"^W^E'LL MAKE THE MEASURE OF THE MAJOR ARC 250 DEGREES."'}3:2:"ORMED BY TWO TANGENTS WHICH INTERSECT OUTSIDE THE CIRCLE IS MEASUREDBY ";:W$"HALF THE DIFFERENCE OF THE ARCS":10000:" THAT IT INTERCEPTS.":11000 p14:"^I^N OTHER WORDS, SUBTRACT THE DEGREE":"MEASURE OF THE MINOR ARC FROM THAT OF":"THE MAJOR ARC1,Y: Z SECANTS2 [HC:X8,Y16X130,Y16:V \ REPAIR SECANT DAMAGE WITH 93 ]7:X71,Y16X73,Y16:X59,Y24X61,Y24X61,Y25X59,Y25:X8,Y16X10,Y16: ^HC:X6,YX110,Y48X111,Y48X7,Y: d15000 n10:"^A^N ANGLE FS FHC:X10,Y16X72,Y16:K GHC:X6,YX55,Y29X56,Y29X7,Y:v HHC:X6,YX57,Y24X58,Y24X7,Y: P RADII QHC:X40,YX55,Y29X56,Y29X41,Y: RHC:X40,YX51,Y28X52,Y28X41,Y: SHC:X40,YX40,12X41,12X42 TANGENTS$ 5HC:30,10261,10:T 77:X37,10X45,10:: TOP TANGENT REPAIRy 8HC:74,79261,10262,1075,79: :HC:8,2746,27:: NON-TANGENT ?7:X39,YX42,Y:X40,Y1X41,Y1:X40,Y1X41,Y1:: DRAWS CENTER  E DRAW CHORDd 2000025934"46,00X38:Y43:46,0J CIRCLES2CP [ 35,17g230,64q0:01014,165:1015,982000100 DIAMETERS#HC:X40,12X40,72X41,72X41,12:0HC:X6,YX74,Y:: HORIZONTAL         T1200::$6 SHORT TIME-DELAY66T13000::Q:YY95:YY,0,191,40,0:_ NER(222)*NER255İ1000::(4);"RUNEA MENU"4N2LAY6T13000:::YY95:YY,0,191,40,0: 769,255:770:G*17:5:6:"(^P^RESS ^S^PACE ^B^AR TO ^C^ONTINUE.)"Z+16368,0:AC$v+AC$(3)ER255:20010 +AC$" "ī11010+AC$" "YY171:YY,0,191,40,0: +11010h+AC$(3)ER255:200106T1500::6T11000:: 6":7205>RT$(13)7220"C7x SOUND ROUTINEoNN13:CH1286432:768,CH:769,CH2:770:::4! PLOT ANGLE SIGN5!76!VV115:HH77!H2,VH7,VH2,V6H1,V6H6,V8!(#CH19123916:768,CH:769,64:770::768,255:3232:768,CH:769,CH2:770::CDCB:211000?15000:U INPUT ROUTINE[ %38:15:255:" ":16368,0:B$(B$(3)ER255:20010*B$(8)B$""7200/B$"A"B$"C"7205215:38:B$:04RT$9RT$(8)Ģ15:38:" 30;RG$"^Y^OU'RE NOT EASILY LED OFF ON TANGENTS!":7130jRG$"^Y^OU'RE RIGHT AS APPLE ^PI^!!":713016:" ":16:RG$CB(((1)65)64):CDCB:NN13'CHCDNE!":71306RG$"^W^OW! ^Y^OU'RE NO SQUARE!":7130`RG$"^I^S SOMEONE HELPING YOU?":7130RG$"^D^ARN! ^I^ THOUGHT ^I^'D FOOL YOU!!":7130RG$"^T^HAT STRIKES A FAMILIAR CHORD!":7130RG$"^Y^OU GOT RIGHT TO THE CENTER OF THAT ONE!":71 (";A$;").":11000:7140= ** CORRECT ANSWER ROUTINE **ZR((1)9)1:RRR7100cRRRR7121,7122,7123,7124,7125,7126,7127,7128,7129RG$"^Y^OU'RE TRAVELLING IN THE RIGHT CIRCLES!":7130 RG$"^Y^OU ZEROED RIGHT IN ON THAT OIN THE CORRECT LETTER...":3:"THEN PRESS <^R^^E^^T^^U^^R^^N^>.":7200VlB$A$7100u *** INCORRECT ANSWER ROUTINE ***v16:" "16:6:"^T^HE CORRECT ANSWER ISNTERS154,189:55,158:43603,240:43604,253:j THIS SUBROUTINE SETSS POINTERSTO HI-RES SCREEN54,189:55,151:43603,189:43604,151:W QUIZ ROUTINE* * X Y10:Q$\12:"(A) ";Q1$:"(B) ";Q2$:"(C) ";Q3$Fb16:"^T^YPE ύōӍӍύō10:"^A^ CIRCLE IS NAMED BY A SINGLE UPPER-CASELETTER -- THAT OF ITS CENTER."::"^T^HIS, THEN, IS ^C^IRCLE ^O^.":"^I^ HOPE YOU LIKE IT, BECAUSE IT'S THE BEST ^I^ CAN DRAW." J11000:15000J O10:"^A^ CIRCLE IS THE LOCUS (THAT MEANS LOCATION 2000025934"46,02 CIRCLES1A<46,0s :35,17:230,64:62450::0:0:1014,165:1015,98:(4);"BLOADTITLE PAGE,A$4000":46,0:2000:139989:17:"^T^HE ^I^NSIDE ^S^TORY"13998:11000:7500:5:11:"^O^" E       "  TIBED ANGLE IS MEASURED BY HALF ITS INTERCEPTED ARC.":11000:15000Q$"^S^UPPOSE ARC ^P^^R^ CONTAINS 120 DEGREES. ^T^HEN THE MEASURE OF ANGLE ^P^^Q^^R^ MUST BE":Q1$"60 DEGREES.":Q2$"120 DEGREES.":Q3$"180 DEGREES.":A$"A":7000s10:"^H^ALF TN ANGLE SO FORMED IS CALLED AN":12:10:255:"INSCRIBED ANGLE!":0:{"* * ^N^OTICE THAT THE ANGLE'S VERTEX LIES":"ON THE CIRCUMFERENCE OF THE CIRCLE. * *"}11000:15000CV10:H1:8500:10:2:"^P^^Q^^R^ INTERCEPTS ARC ^P^^R^."::"^A^N INSCRE HAVEALREADY DEFINED SUCH A CHORD AS A DIAMETER!!"M _13998:HC1:35t d11000:15000:HC0:35:70:72:63 iHC7:72:71 n6:4:"^Q^":15:1:"^P^" o16:7:"^R^" sH1:V10:8500:10:2:"^P^^Q^^R^ IS FORMED BY TWO CHORDS."Ex"^A^8( P:"^H^ERE ARE TWO CHORDS!":110003 Q15000 UQ$"^T^HE LARGEST CHORD IN A CIRCLE IS":Q1$"WITHOUT LIMIT.":Q2$"A RADIUS.":Q3$"A DIAMETER.":A$"C" V70009 Z10:"^T^HE LARGEST CHORD IN A CIRCLE IS ONE THAT PASSES THROUGH THE CENTER. ^W^X10,Y16X72,Y16:E GHC:X6,Y6X55,Y29X56,Y29X7,Y6:t HHC:X6,Y6X57,Y24X58,Y24X7,Y6: IHC5:70:HC6:72 K10:"^A^ ";:255:"CHORD";:0:" IS A SEGMENT THAT CONNECTS TWO POINTS ON THE CIRCUMFERENCE OF A CIRCLE.":1399L$ 437:HC1:35:HC2:40:HC6:45a 716:10:255:"^T^HESE ARE BUT A FEW!!":0:11000:15000z <HC0:35:40:48:45 =65 ?X39,YX42,Y:X40,Y1X41,Y1:X40,Y1X41,Y1:: DRAWS CENTER A63:15000 D73 E DRAW CHORDS FHC:IAMETER SUBROUTINES: SET HC# "52N #HC:X40,12X40,72X41,72X41,12: %5:18:" ":5:6:" ":8:12:" ":11:5:" " (HC:X11,27X70,57X71,57X11,27: -HC:X11,57X70,27X71,27X12,57:7: 0HC:X6,YX74,Y:: HORIZONTA 2000025934"46,0,46,0< CIRCLES1CJX38:Y43P [ 35,17g230,64q0:01014,165:1015,98200014:"^T^HERE IS NO LIMIT TO THE NUMBER OF DIAMETERS THAT MAY BE DRAWN IN A CIRCLE.":11000 D ! ! ! !!!!!!! LANGUAGE NOT AVAILABLRANGE ERROWRITE PROTECTEEND OF DATFILE NOT FOUNVOLUME MISMATCI/O ERRODISK FULFILE LOCKESYNTAX XMATCI/O ERRODISK FULFILE LOCKESYNTAX NTAX 8U897T6S67`INILOASAVRUCHAIDELETLOCUNLOCCLOSREAEXEWRITPOSITIOOPEAPPENRENAMCATALOMONOMOPRINMAXFILEFINBSAVBLOABRUVERIF!pppp p p p p`" t""#x"p0p@p@@@p@!y q q p@ QR`E Ls  @DAE@u`8` %@ @A@`@`@A`Mµ ) LЦ`8@AWc@8@-@HAȑ@hHȑ@ȑ@hHȑ@Ȋ@ch8&ȑ@Hȑ@Ah@LHȑ@ȑ@ htphso`hMhL`9VLHv 3h`0h8` [L NС õ`A@` ŵL^Lõ`  \ 濭0 \  ȟ Q ^\lZl^?cqH şch`fhjõĵ@OAP`u@`@&`B$(3)ER255::20010L L1000::(4);"BLOADCIRCLE,A$4000":46,0:2000:j +AC$(3)ER255::20010 h+AC$(3)ER255:20010 NER(222) *NER255İ1000::(4);"RUNEA MENU" 4NZ ʽ)\Z ʽRΩLҦ)\Z ʽ 71301RG$"^W^OW! ^Y^OU'RE NO SQUARE!":7130[RG$"^I^S SOMEONE HELPING YOU?":7130RG$"^D^ARN! ^I^ THOUGHT ^I^'D FOOL YOU!!":7130RG$"^T^HAT STRIKES A FAMILIAR CHORD!":7130RG$"^Y^OU GOT RIGHT TO THE CENTER OF THAT ONE!":71306 6:" ^T^HE CORRECT ANSWER IS (";A$;")":11000:7140UR((1)9)1:RRR7100^RRRR7121,7122,7123,7124,7125,7126,7127,7128,7129RG$"^Y^OU'RE TRAVELLING IN THE RIGHT CIRCLES!":7130RG$"^Y^OU ZEROED RIGHT IN ON THAT ONE!": THIS SUBROUTINE SETSS POINTERSTO HI-RES SCREEN\54,189:55,151:43603,189:43604,151:X10:Q$:12:"(A) ";Q1$:"(B) ";Q2$:"(C) ";Q3$b16:"^T^YPE IN THE CORRECT LETTER...":3:"^T^HEN PRESS <^R^^E^^T^^U^^R^^N^>":7200lB$A$710081RR;")":13:19:"<-------^M^ULTIPLY ONCE."15:"^A^=";A;" SQ.M":15:19:"<------^M^ULTIPLY AGAIN.":11000:15000:10:6:" ":HC0:82:63:999 THIS SUBROUTINE SETS LO-RES POINTERS54,189:55,158:43603,240:43604,253:0 LTIPLY AGAIN.":11000:15000:4:8:" "0pD A=PI X R^29:"^A^= R":V9:H3:9500:V9:H6:8100:9:19:"<---^W^RITE THE FORMULA.":A3.14RR11:"^A^=(3.14)(";R;")(";R;")":11:19:"<---^S^UBSTITUTE VALUES."+13:"^A^=(3.14)(";^ = 2 R":V9:H6:9500:9:19:"<---^W^RITE THE FORMULA.":C23.14Ra11:"^C^ = 2(3.14)(";R;")":11:19:"<---^S^UBSTITUTE VALUES."f13:"^C^ = (6.28)(";R;")":13:19:"<-------^M^ULTIPLY ONCE."*k15:"^C^ = ";C;" INCHES":15:19:"<------^M^U10:"^C^ = D <---^W^RITE THE FORMULA.":V10:H5:9500P/C3.14D412:"^C^ = (3.14)(";D;")":12:19:"<---^S^UBSTITUTE VALUES."914:"^C^ = ";C;"CM":14:19:"<------^M^ULTIPLY TERMS.":11000:15000:R C=2 X PI X RE\9:"^C0.72 SQ. METERS.":A$"A":7000:R24:900r10:"^P^ARDON ME WHILE ^I^ MIX UP SOME AREA AND CIRCUMFERENCE PROBLEMS. ^T^HEN ^I^'LL THROWTHEM AT YOU AND SEE WHETHER ^I^ CAN MIX YOU UP ALSO!"|1000::(4);"RUNCIRCLES3B"799  C=PI X DC*^6:10:"10M":Q$"^T^HE AREA OF THIS CIRCLE IS":Q1$"31.4 SQ.METERS.":Q2$"62.8 SQ.METERS.":Q3$"314 SQ.METERS.":A$"C":7000:R10:900(hHC5:82:6:10:"24M":Q$"^T^HE AREA OF THIS CIRCLE IS":Q1$"1808.64 SQ. METERS.":Q2$"75.36 SQ. METERS.":Q3$"158162,95102,95102,108101,108101,95:163,108163,95J12:"^J^UST MULTIPLY THE RADIUS BY ITSELF, AND THEN MULTIPLY THE RESULT BY 3.14 ( ) TOFIND THE AREA OF A CIRCLE. ":V13TH35:9500:11000:15:"^L^ET'S TRY A COUPLE.":11000:15000, ^I^NC." D12000:DD 54,189:55,158:43603,240:43604,253a :(4);"RUN MGMT":1020TMT":10000) 2 P(OP)(765):A(OP)A(OP)1:P ':(4);"RUN MGMT":10000N LN$,NA$% T110:P(T),A(T):T? (4);"CLOSE STUDFIL"E $c (4);"OPEN STUDFIL,L";RL (4);"WRITE STUDFIL,R";SI LN$:NA$ T110:P(T):A(T):T (4);"CLOSE STUDFIL" P(OP)(765):A(OP)A(OP)1: ':(4);"RUN MG  10000 F I L E R 0P(10),A(10):RL91HOP(766)R ::v12:9:"ONE MOMENT, PLEASE..."SI(767):1000:4000:3000765,0(:(4);"RUN MGMT":40(4);"OPEN STUDFIL,L";RL(4);"READ STUDFIL,R";SI  1:12:"^D^":6:3:"^E^":12:8:"^F^"Q$"^L^OOK AT ANGLE ^D^^E^^F^. ^I^TS DEGREE MEASURE MUST BE":Q1$"IMPOSSIBLE TO DETERMINE.":Q2$"90 DEGREES.":Q3$"GREATER THAN 90 DEGREES.":A$"B":7000H1:V10:85002:10:"^D^^E^^F^ IS INSCRIBED IE OF ARC ^P^^R^ (120 DEGREES) IS THE DEGREE MEASURE OF THE ANGLE. ^H^ALF OF 120 IS 60 DEGREES!"u11000:15000HC0:71:72:76:4:" ":15:1:" ":16:7:" "63HC2:35:X40,12X12,Y16X40,72X41,72X13,Y16X41,12'ASURED BY HALF ITS INTERCEPTED ARC.":11000:15000Q$"^S^UPPOSE ARC ^P^^R^ CONTAINS 120 DEGREES. ^T^HEN THE MEASURE OF ANGLE ^P^^Q^^R^ MUST BE":Q1$"60 DEGREES.":Q2$"120 DEGREES.":Q3$"180 DEGREES.":A$"A":7000c10:"^H^ALF THE DEGREE MEASURD IS CALLED AN":12:10:255:"INSCRIBED ANGLE!":0:{"* * ^N^OTICE THAT THE ANGLE'S VERTEX LIES":"ON THE CIRCUMFERENCE OF THE CIRCLE. * *"}11000:150003V10:H1:8500:10:2:"^P^^Q^^R^ INTERCEPTS ARC ^P^^R^."::"^A^N INSCRIBED ANGLE IS MEFINED SUCH A CHORD AS A DIAMETER!!"= _13998:HC1:35d d11000:15000:HC0:35:70:72:63u iHC7:72:71 n6:4:"^Q^":15:1:"^P^" o16:7:"^R^" sH1:V10:8500:10:2:"^P^^Q^^R^ IS FORMED BY TWO CHORDS."5x"^A^N ANGLE SO FORME ARE TWO CHORDS!":11000# Q15000 UQ$"^T^HE LARGEST CHORD IN A CIRCLE IS":Q1$"WITHOUT LIMIT.":Q2$"A RADIUS.":Q3$"A DIAMETER.":A$"C" V7000) Z10:"^T^HE LARGEST CHORD IN A CIRCLE IS ONE THAT PASSES THROUGH THE CENTER. ^W^E HAVEALREADY DEY16:5 GHC:X6,Y6X55,Y29X56,Y29X7,Y6:d HHC:X6,Y6X57,Y24X58,Y24X7,Y6:z IHC5:70:HC6:72 K10:"^A^ ";:255:"CHORD";:0:" IS A SEGMENT THAT CONNECTS TWO POINTS ON THE CIRCUMFERENCE OF A CIRCLE.":13998 P:"^H^EREύō!nF"MUST BE REMOVED. PLEASE REMOVE THE":"TAB, AND THEN REINSERT THE DISK INTO"!xF"THE DISK DRIVE. IT IS NOT NECESSARY":"TO TURN OFF THE COMPUTER AT THIS TIME.""F:"WHEN YOU ARE DONE, JUST PRESS THE"::"SPACE BAR";::", AND THE PROGRAM WILL RE4);"CLOSE ";FI$ VFERR9ĉ::"THE DISK IS FULL. NO OTHER FILES MAY":"BE SAVED UNLESS THE PURGE OPTION IS":"USED.":11000: XFERR255Ĭ ZFERR4Ĭ dF::"IN ORDER TO STORE STUDENT INFORMATION":"ON THE DISK, THE 'WRITE PROTECT' TAB"QCTING CHORD >'S"," COMPUTER'S CHOICE",CIRCUM. & AREA PRACTICEe>9);"EDUCATIONAL ACTIVITIES INC.">:14);"GEOMETRY ALIVE!":18);"CIRCLES"::6);"(C) 1984 ACTIVITY RECORDS, INC.">hB767,SI:766,0:765,0:PFERR(222)SF216,0 UF(O"F^A^REA" N13000:! 7500v 7:10:"^T^O RETURN TO THE MAIN MENU,":5:"PRESS <^CONTROL^-^C^> AT ANY TIME." 1000 (4);"RUNCIRCLES3B" 995 54,189:55,158:43603,240:43604,253: 54,189:55,151:43603,189:43604,151: ( 2000025934"46,02 CIRCLES5A8 C 35,17V230,64:62450b:0:0y1014,165:1015,9820001551000::(4);"BLOADTITLE PAGE,A$4000":46,0:2000 8:18:"^P^RACTICE WITH":10:14:"^C^IRCUMFERENCE AND     ";:13030,2P(D)10Ė28:P(D);"%";:13030?227:P(D);"%";M237:A(D)T2Dd2::40):j26THE INSIDE STORY,INSIDE & OUT,CIRCUMFERENCE & AREA6" CENTRAL >'S"," INSCRIBED >'S"," >'S FORMED BY TAN"," >'S FORMED BY SEC"=6" INTERSE824::" SCORE ATTEMPTS":h2:KA417:KA:24:" ";:32:" ";:KA::1w26:D1102D4ĺ"MIXED PRACTICE WITH >'S"2TI$(D);:P(D)1Ė27:"---";:130302P(D)((P(D)S(D).005)100) 2P(D)100Ė26:P(D);"% @DAE@u`8` %@ @A@`@`@A`Mµ ) LЦ`8@AWc@8@-@HAȑ@hHȑ@ȑ@hHȑ@Ȋ@ch8&ȑ@Hȑ@Ah@LHȑ@ȑ@ htphso`hMhL`9V8U897T6*17:5:6:"(^P^RESS ^S^PACE ^B^AR TO ^C^ONTINUE.)"H+16368,0:AC$f+AC$(3)ER255::20010{ +AC$" "ī11010+AC$" "YY176:YY,0,191,40,0: +11010h+AC$(3)ER255:200106T1500::6T12500::6T1500:::')" 16368,0:AC$1 AC$"Y"Č62450::424@ AC$"N"ıJ 8340`4! PLOT ANGLE SIGNg5!7z6!VV115:HH77!H2,VH7,VH2,V6H1,V6H6,V8!(#CH19123916:768,CH:769,64:770::768,255:769,255:770:'255:W$;:0:5$(8)Ģ15:38:" ":7205.>RT$(13)72204CIx SOUND ROUTINENN13:CH1286432:768,CH:769,CH2:770::: 62450:8:"^W^OULD YOU LIKE TO SEE THAT CENTRAL ANGLE DRAWN ONE MORE TIME?" TC2 12:7:"(^T^YPE '^Y^' OR '^N^.:769,CH2:770::CDCB:$11000115000:G INPUT ROUTINEM q%38:15:255:" ":16368,0:B$(B$(3)ER255::20010*B$(8)B$""7200/B$"A"B$"C"7205215:38:B$:04RT$6RT$(3)ER255::200109RT^OU'RE NOT EASILY LED OFF ON TANGENTS!":7130\RG$"^Y^OU'RE RIGHT AS APPLE ^PI^!!":713016:" ":16:RG$CB(((1)65)64):CDCB:NN13CHCD3232:768,CHRG$"^W^OW! ^Y^OU'RE NO SQUARE!":7130RRG$"^I^S SOMEONE HELPING YOU?":7130RG$"^D^ARN! ^I^ THOUGHT ^I^'D FOOL YOU!!":7130RG$"^T^HAT STRIKES A FAMILIAR CHORD!":7130RG$"^Y^OU GOT RIGHT TO THE CENTER OF THAT ONE!":7130-RG$"^Y"5.TI$(D);:P(D)1ĺ26(TI$(D)));"---";:12030V.P(D)((P(D)S(D).005)100).P(D)100ĺ26(TI$(D)));P(D);"%";:12030.P(D)10ĺ28(TI$(D)));P(D);"%";:12030.27(TI$(D)));P(D);"%";.7((A(D)))(P(D)1));A(D)/D/K$:K$(3)Ĭ.*:K$" "Ģ23:958:110004*d+23:" (PRESS THE SPACE BAR TO CONTINUE)";w+A$:A$(3)Ĭ +A$" "Ģ23:958::11010 +.:" SCORE ATTEMPTS".:D110.D4ĺ"MIXED PRACTICE WITH >'SA$"Z"10010!.'(N$)MAX10010K8'X1X11:Y:X1:AA$;:N$N$AA$:10010^L'(N$)010010V'(N$)1ĢY:X1:" ";(8);:X1X:N$"":10010`'N$(N$,(N$)1):Y:X1:" ";(8);:X1X11:10010*16368,0:23:" (PRESS THE SPACE BAR TO CONTINUE)";:ST NAME AND"::"PRESS ";::"RETURN";::">":X14:Y17:MAX15:10000:LL$N$R<#m'X1X:N$"":Y:X:" ";'16368,0:AA$%'N$""AA$(13)10010''AA$(13)ĺ:)'AA$(8)10060*'AA$"a"AA$"z"AA$((AA$)32):10030 +'AA$"A"A": K$"2"NN0:1010:8120*2000@NF1NF0:20000u:14:"THE FILE HAS BEEN PURGED.":11000:20000(#::"TYPE THE STUDENT'S FIRST NAME AND"::"PRESS ";::"RETURN";::">":X14:Y13:MAX15:10000:FF$N$L2#:"TYPE THE STUDENT'S LATK$"2"8100'^::34,9:9000rh::"THE STUDENT YOU WANT PURGED FROM THE"::"FILE IS: ";FF$;" ";LL$r15:"IS THIS CORRECT? (Y OR N)";:Z$:Z$"Y"Z$"N"Z$"y"Z$"n"8040|:Z$"N"Z$"n"200008110:14::"PURGING...:20010&613999$&6T12500::5&6T1500::P&:YY84:YY,0,191,40,0:^& NER(222)&*NER255İ1000::(4);"RUNEA MENU"&4NUEA MENU"&4NE ** CORRECT ANSWER ROUTINE **:R((1)9)1:RRR7100L765,(765)1URRRR7121,7122,7123,7124,7125,7126,7127,7128,7129RG$"^Y^OU'RE TRAVELLING IN THE RIGHT CIRCLES!":7130RG$"^Y^OU ZEROED RIGHT IN ON THAT ONE!":7130(^U^^R^^N^>.":7200&gHA1İ15000:6lB$A$7100_u *** INCORRECT ANSWER ROUTINE ***v16:" "16:6:"^T^HE CORRECT ANSWER IS (";A$;").":11000:7140  THIS SUBROUTINE SETSS POINTERSTO HI-RES SCREENb54,189:55,151:43603,189:43604,151:{W QUIZ ROUTINE* * X Y10:Q$\12:"(A) ";Q1$:"(B) ";Q2$:"(C) ";Q3$b16:"^T^YPE IN THE CORRECT LETTER...":3:"THEN PRESS <^R^^E^^T^RCS ARE LARGER THAN MINOR ARCS!)":1:16:10000{11000:15000:10:"^P^ARDON ME WHILE ^I^ SNACK ON A FEW MORE BYTES."1000::(4);"RUNCIRCLES2C"999 THIS SUBROUTINE SETS LO-RES POINTERS54,189:55,158:43603,240:43604,253:6 THE RIGHT, IS":W$"MINOR ARC ^N^^Y^":10000:"!"e3:18:W$"MINOR":10000:4:19:W$"ARC":1000011000:13:"^T^HE LARGER ARC, ON THE LEFT, IS":W$"MAJOR ARC ^N^^Y^":10000:"!"3:2:W$"MAJOR":10000:4:3:W$"ARC":10000/W$"(^M^AJOR A^ ARE NAMED ^A^RC ^N^^Y^. ";1V14:H26:8500"^B^UT ONE ^A^RC ^N^^Y^ IS BIGGER THAN THE OTHER ^A^RC ^N^^Y^.":11000:1500010:"^I^F ALL THAT SOUNDED LIKE DOUBLETALK, WE CAN CLEAR IT UP EASILY.":11000:15000110:"^T^HE SMALLER ARC, ON^HAT IS, ^I^ DIDN'T TELL THE WHOLE TRUTH!":11000;9000F1500010:"^Y^OU SEE, EACH ANGLE INSIDE A CIRCLE, AS WELL AS AN ANGLE FORMED BY TWO TANGENTS,REALLY INTERCEPTS ";:W$"TWO":10000:" ARCS."14:"^B^OTH ARCS INTERCEPTED BY ^N^^V^^Y- ^N^^V^^Y^.""V11:H23:850011000:15000:10:"^I^N AN EARLIER PROGRAM, ^I^ MENTIONED THE FACT THAT AN ANGLE IN A CIRCLE HAS AN INTERCEPTED ARC.":11000114:"^I^'M KIND OF ASHAMED TO TELL YOU THIS, BUT ^I^ SORT OF LIED...":13998:"^TE, SO IS ^VNO^."::"^I^N FACT, FOR ANY TANGENT TO ANY CIRCLE, A RADIUS DRAWN TO MEET THE TANGENT WILL FORM A RIGHT ANGLE WITH THE TANGENT."11000:15000:HC0:82:83:6310:"^L^ET'S NOW CONSIDER THE ANGLE FORMED BY TANGENTS ^V^^N^ AND ^V^^Y^ - - A SINGLE STUDENT FILE"::"<2> - THE ENTIRE STUDENT FILE"J17:"PLEASE TYPE YOUR SELECTION: (1 OR 2)";:K$::K$"1"K$"2"Ģ17:958:8010O:19:"ARE YOU SURE? 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";::"TURN OFF"::"THE COMPUTER";::" AND PLACE YOUR PRINTER"c:"CS67`INILOASAVRUCHAIDELETLOCUNLOCCLOSREAEXEWRITPOSITIOOPEAPPENRENAMCATALOMONOMOPRINMAXFILEFINBSAVBLOABRUVERIF!pppp p p p p`" t""#x"p0p@p@@@p@!y q q p@  LAN:20010 +AC$" "ī11010A+AC$" "YY176:YY,0,191,40,0:L +11010hh+AC$(3)ER255:20010s6139996T12500::6T1500:::YY95:YY,0,191,40,0: NER(222)*NER255İ1000::(4);"RUNEA MENU"4N2:::"SEARCHING STUDENT FILE..."::DE1:1100:DE0LSINNİ3100:20000::"WOULD YOU LIKE THE FILE TO APPEAR ON:"::"<1> - THE SCREEN"::"<2> - THE PRINTER"17:"PLEASE TYPE YOUR SELECTION: (1 OR 2)";:K$::K$"1"K$"2"Ģ17:958:7020000[T110:TI$(T):T:]::"WOULD YOU LIKE:"::"<1> - A SINGLE STUDENT'S FILE"::"<2> - THE ENTIRE STUDENT FILE"b17:"PLEASE TYPE YOUR SELECTION: (1 OR 2)";:K$::K$"1"K$"2"Ģ17:958:7010i:K(K$)lK271004v9000:: :14:8:"***********************":8);"* NO STUDENTS ON FILE *":8);"***********************"r 11000: :14:8:"***********************":8);"* STUDENT NOT ON FILE *":8);"***********************"& 11000:X1000:NN0İ3000::NF1:NN1NN0:1010:::14::"PURGING...":(4);"OPEN ";FI$;",L";LE:(4);"READ ";FI$;",R";NN:LN$,NA$:T110:P(T),A(T):T(4);"WRITE ";FI$;",R";SI:LN$:NA$:T110:P(T):A(T):T:(4);"CLOSE ";FI$NNNN1:1010e tT:SINN1+ yDEĺ(4);"CLOSE ";FI$:o {NNNN1:NS1:(4);"CLOSE ";FI$:1010:(4);"OPEN ";FI$;",L";LE ~(4);"WRITE ";FI$;",R";NN:LL$:FF$:T110:"-1":"0":T:SINN (4);"CLOSE ";FI$: DE1:1100:DE0:NN0İ3000:SINNİ3100(4);"CLOSE ";FI$:d (4);"OPEN ";FI$;",L";LE:(4);"WRITE ";FI$;",R0":NN:(4);"CLOSE ";FI$:n L1000 O(4);"OPEN ";FI$;",L";LE QNN01145 VT1NN:(4);"READ ";FI$;",R";T:LN$,NA$ [LL$LN$FF$NA$SIT:D110:P(D),A(D):D:1160N";::">" X14:Y17:10000, LL$N$:i "1100:NS0Ģ21:"THANK YOU! ONE MOMENT, PLEASE...":310 ,21:"WELCOME!!!"::"ONE MOMENT, PLEASE..." 617000 @1:(4);"RUN EA MENU":320 (4);"OPEN ";FI$;",L";LE:(4);"READ ";FI$;",R0":NN:":LE91 MAX15^ 12:"PLEASE TYPE YOUR FIRST NAME"::"AND PRESS ";::"RETURN";::">"s X18:Y14:10000 N$"SCORES"7000 N$"PURGE"8000 FF$N$ :12:"OK, ";N$;"." ::"NOW TYPE YOUR LAST NAME AND"::"PRESS ";::"RETUR=";::38);::"*";:"*";::38);::"=";:v }"=";::38);::"*";:"*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=": 130:150 3:7:"EDUCATIONAL ACTIVITIES, INC."; 5:14:"GEOMETRY ALIVE!":7:18:"CIRCLES" 34,9 FI$"STUDFIL 18000 M G M T 6(4);"NOMONC,I,O"\S(1)10:S(2)7:T310:S(T)10:Tf ::Z:"*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=";:"=";::38);::"*";d"*";::38);::"=";:"=";::38);::"*";:"*";::38);::"=";- x"            ,3::(4);"RUNCIRCLES3A":110M Z$"D"Ĺ766,4::(4);"RUNCIRCLES4A":110} Z$"E"Ĺ766,10::(4);"RUNCIRCLES5A":110 80 ,:: 1(64266)208Ģ7:"PLEASE MAKE SURE YOUR CAPS LOCK KEY":"IS DOWN." 612:"WOULD YOU LIKE SOUND? (Y/N)";::" OF YOUR CHOICE>>> ";:Z$0 gZ$(3)1000T iZ$"A"Z$"E"Ģ20:1:958:80_ k300: m1:12:"HANG ON A MOMENT, WHILE I GET IT..." nZ$"A"Ĺ766,1::(4);"RUNCIRCLES1A":110 xZ$"B"Ĺ766,2::(4);"RUNCIRCLES2A":110 }Z$"C"Ĺ766=========== W A"A --> CIRCLES: THE INSIDE STORY"::"B --> CIRCLES: INSIDE AND OUT"} D:"C --> CIRCUMFERENCE AND AREA" E:"D --> MIXED PRACTICE WITH ANGLES" F:"E --> CIRCUMFERENCE AND AREA PRACTICE" P:23 d"ENTER THE ";::"LETTER"; :255::!765,0, 10004:b"=======================================h#(" EDUCATIONAL ACTIVITIES, INC. 2:" PROGRAM MENU7:9);"GOING AROUND IN CIRCLES": <"============================   VERTEX) ARE CONGRUENT, ^AED^ AND ^CEB^ HAVE THE SAME DEGREE MEASURES, AS DO 'S ^AEC^ AND ^DEB^!"V12:H12:8500:V12:H21:8500:V13:H24:850015:"^T^RY TO FIGURE OUT WHAT THEIR INTERCEPTEDARCS ARE."1000::(4);"RUNCIRCLES2E"HILE ^AEC^ AND ^DEB^ IS THE OTHER."g"(^C^ROSSING SEGMENTS OR LINES FORM ":"VERTICAL ANGLES.)"V13:H1:8500:V13:H10:8500:H34:V13:8500:V14:H5:8500:11000:15000l10:"^S^INCE VERTICAL ANGLES (ANGLES FORMED ON OPPOSITE SIDES OF A $" "ī110102+AC$" "YY176:YY,0,191,40,0:= +11010Yh+AC$(3)ER255:20010d613999v6T12500::6T1500:::YY84:YY,0,191,40,0: NER(222)*NER255İ1000::(4);"RUNEA MENU"4NAHH5,V6H4,V6H4,V3:H8,V6H8,V3H9,V3H9,V6?0%E%X'255:W$;:0:*17:" (^P^RESS ^S^PACE ^B^AR TO ^C^ONTINUE.) "+16368,0:AC$+AC$(3)ER255::20010+AC$(27)ġ:1000::(4);"RUNEA MENU":11015  +AC15000iHC5:70:HC2:71:3:6:"^A^":1:15:"^C^":5:6:"^D^":3:18:"^B^":4:11:"^E^":HC0:63y5:11:" "'10:"^T^WO PAIRS OF ";:W$"VERTICAL ANGLES":10000:" ARE FORMED WHEN TWO CHORDS INTERSECT."::" ^AED^ AND ^CEB^ IS ONE PAIR, WD TO LEARN THAT AN ANGLE FORMED BY A SECANT AND TANGENT IS MEASURED IN THE SAME WAY!":11000:15000HC0:91:95:93:2:7:" ":2:17:" ":3:29:" ":8:8:" ":18:6:" "10:"^T^HAT LEAVES ONE TYPE OF ANGLE STILL TO BE DEALT WITH.":11000:15000:A150:A280:150&EN1Q$"^S^UPPOSE ARC ^FD^ = 100 DEGREES AND ARC ^CG^ = 60 DEGREES. ^T^HEN ^H^ CONTAINS"Q2$"20 DEGREES.":Q1$"40 DEGREES":Q3$"80 DEGREES.":A$"B":7000A2100:A160:150e10:"^Y^OU MIGHT BE INTERESTEY 12:"^H^= ";:V12:H3:8000:"(";A2;" - ";A1;")":19:12:"<--^S^UBSTITUTE VALUES." 14:"^H^= ";:V14:H3:8000:"(";A2A1;")":14:19:"<------^C^OMBINE TERMS."16:"^H^ = ";(A2A1)2;" DEGREES.":16:19:"<---^H^ALVE THE NUMBER.":11000:'S MEASURE IS 80 DEGREES, AND ARC ^CG^'S IS 50. ^A^NGLE ^H^ MEASURES" Q3$"15 DEGREES.":Q2$"30 DEGREES.":Q1$"65 DEGREES.":A$"C":7000 180 10:"^H^= (ARC -ARC )";:H3:V10:8000:H8:V10:8050:H13:V10:8040:" <--^W^RITE THE FORMULA.".":V12:H15:8500 11000:15000:10:"^T^HE FORMULA FOR FINDING THE MEASURE OF AN ANGLE FORMED BY TWO SECANTS WHICH MEET OUTSIDE A CIRCLE IS THE SAME AS THAT FOR FINDING THE ANGLE FORMED BY TWOTANGENTS."F 11000:15000:Q$"^S^UPPOSE ARC ^FD^:K$: @K$"Y"K$"N"3106 JK$"Y"Ĺ770,173:D T770,96: :::12:10:"ONE MOMENT, PLEASE..."::(4);"RUN MGMT":1000:X,Y 230 POK0( ZR(10(1)5); dX278S1R:N iY190S2R:a nR(20(1)5)r xY1S2R: }X1S1R: OK1: SS110:S210Y10:X101232,0:233,3m768,1:769,0:770,4:771,0:772,4:773,4:774,4:775,0s z70,0279,0279,1910,1910,0(XXS1:YYS2:80:OK040-1X,Y.T(16336)(16336)(16336)(16336) /1 :230,64:62450)1012,0A:(4);"MAXFILES1"L37921f:(4);"BLOAD BASE2"((4);"BLOAD PRNT,A$97BD"2(4);"BLOAD TABLE,A$9423"7(4);"BLOAD PLOT.BIN":(4);"BLOADSOUND"<:(4);"RUN LOGO""UN LOGO" 00010:"^O^NE DAY, ABOUT 2300 YEARS AGO, SOME ANCIENT ^G^REEKS WERE SITTING AROUND AND PONDERING CIRCLES. (^O^F COURSE, THEY DIDN'T KNOW THAT THEY WERE ANCIENT!)":11000:150009:"^T^HEY WISHED TO DISCOVER A WAY TO FIND A CIRCLE'S AREA"56.52 INCHES.":Q2$"113.04 INCHES.":Q3$"169.56 INCHES.":A$"B":7000:R18:850bHC0:81:6310:"^W^E'LL GET SOME MORE PRACTICE WITH THIS SORT OF THING LATER."::"^M^EANWHILE, THERE'S STILL ANOTHER IN THE OVEN!":V13:H34:9500:11000:1510:12:"^C^ = 2 R":V10:H17:950012:"^O^F COURSE, 2R IS THE SAME AS D.":"(^T^WO RADII EQUAL ONE DIAMETER.)":13995:15:"^L^ET'S TRY ONE (JUST FOR FUN).":11000:150004:8:"18IN"QQ$"^T^HE CIRCUMFERENCE OF THE CIRCLE MEASURES":Q1$$"628 CENTIMETERS.":A$"C":7000:D200:800ZHC0:48:4:10:" ":63:HC1:81:6310:"^S^OMETIMES, YOU NEED TO FIND A CIRCLE'S CIRCUMFERENCE WHEN ONLY A RADIUS IS KNOWN. ^W^E HAVE A FORMULA FOR THAT SITUATION TOO!":11000:15000(ENTIMETERS.":A$"B":7000'D24:800{10:"^L^ET'S SEE WHETHER YOU CAN FIND YOUR WAY AROUND ONE MORE.":11000:150004:10:"200CM":HC2:48,Q$"^F^IND THE CIRCUMFERENCE OF THE CIRCLE.":Q1$"600.84 CENTIMETERS.":Q2$"620.36 CENTIMETERS.":Q3 ԮΠӲҠӱàŠԬ̱ Šӳ ӲŠ` Ԡ ŠŠ ŠӱӳӲà' ĠӵӲĠ`START."M"F21:15);"THANK YOU!";:16368,0:A$:A$" "Ģ21:958::18060Y"F18000"F:(4);"OPEN WPT":(4);"CLOSE WPT":(4);"DELETE WPT":" NT6T1500::(:YY95:YY,0,191,40,0:6 NER(222)]*NER255İ1000::(4);"RUNEA MENU"c4NA((((((((((((((((((((((((((((((((PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP*UQUY]BFJNRVZ^BFJNRVZ^CGKOSW[_CGKOSW[_@DHLPTX\@DHLPTX\AEIMQUY]AEIMQUY]BFJNRVZ^BFJNRVZ^CGKOSW[_CGKOSW[_@DHLPTX\@DHLPTX\AEIMQUY]AEIMQUY]BFJNRVZ^BFJNRVZ^CGKOSW[_CGKOSW[_bHN0 g RP g RP g RP g RP g RPBEe c+ed*  I*Lc LbhN0` g RP 轅c+ed**LJc ʽc+ed**Ldc L=cʆйL(c@DHLPTX\@DHLPTX\AEIMQUY]AEIM    ԠŠӮ Ԡޠû͢  Ԡ٠Ӯ  Π͠ýؠɠؠҍ ԠޠҢ֠Ƞ ֠ՠРϡ ԠԠҤӳ¢Ϡ͠ýɠؠč ԠޠĠŠŠ֠Ƞ àč ԠޠĻѮӮѲѮӮѳѮӮ Ҡ  ԠΠŠŠޠؠРŠĠŠӮΠާ̠͠ԠՠĠŠҠޠΠؠԠ͢ѤŠƠӠŠӢѱѮӮѲѮӮѳѮӮâ Ҡ à   Ԡ͢ѤŠƠӠŠӢѱԠԠ٠ŠӠ٠ƬĠΠ٠ŠԠ٠ĠŠƠŮ֠Ƞ   ԠԧӠ٠Ů    ĠޠɭҭĬӠԠŠƠ٠Š٠ĠƠŠנӠӮ ҽԠϠϠϠϠϠϠԠϠ ɰ   ԠޠҢ֠Ƞ ֠Ƞ ҽԠϠϠϠϠϠϠԠϠ ԠŠӡԠ٠Ŭ٠ĠϠˬ٠٠ĠŠà  ԠޠҢ֠Ƞ ֠Ƞ     ԠҢ ŠӠĠ٠ԠϮ ԠΠӬӠŠҬĺ ԠҤԠŠ̠ġҤ    ԠŠҬԠ(T):T:(4);"CLOSE STUDFIL":? VJP(OP)(765):A(OP)A(OP)1:BA=8JRL91:OP(766):SI(767):19010:19030:19020:765,0:BJ(4);"OPEN STUDFIL,L";RL:(4);"READ STUDFIL,R";SI:LN$,NA$:T110:P(T),A(T):T:(4);"CLOSE STUDFIL": LJ(4);"OPEN STUDFIL,L";RL:(4);"WRITE STUDFIL,R";SI:LN$:NA$:T110:P(T):AGUAGE NOT AVAILABLRANGE ERROWRITE PROTECTEEND OF DATFILE NOT FOUNVOLUME MISMATCI/O ERRODISK FULFILE LOCKESYNTAX YY95:YY,0,191,40,0:$ NER(222)K*NER255İ1000::(4);"RUNEA MENU"Q4NHN hHɇ L..L.Lɍ $%%##%h N`)e. & & &ee$ei$  $LT!% $%""%Li##%%i Lme$E獛 $Lz #   Ӳ ӲàӲĠӲŠŠ" ƮԠ  ŠŠ"Ӳ ӱà ԠӱĠ Ҡ̠  ԮΠҠ ՠ Ӵ'ӳ ӵӳ !̠ŲϠӱ!Ġ"ŠԠi7:VV116:H(H7)7FkH3,VH3,V4:H2,V1:H4,VH4,V4:Wr SUBSCRIPT2rs7:VV1111:H(H7)7tH1,V6H1,V5H5,V5H5,V7H2,V8H1,V9H5,V9uH2,V6H2,V5H6,V5H6,V7H3,V8H2,V9H6,V9: EXPONENT 2VH3,V3:H2,V1mDH4,VH4,V3:H,V4H6,V4:H1,V6H1,V5H5,V5H5,V7H2,V8H1,V9H5,V9HH1,V6H1,V5H5,V5H5,V7H2,V8H1,V9H5,V9JH2,V6H2,V5H6,V5H6,V7H3,V8H2,V9H6,V9Oh SUBSCRIPT 1N5!76!VV115:HH7B7!H2,VH7,VH2,V6H1,V6H6,VH8!(#CH19123916:768,CH:769,64:770::768,255:769,255:770:'255:W$;:0:*17:5:6:"(^P^RESS ^S^PACE ^B^AR TO ^C^ONTINUE.)"+16368,0:AC$+AC$(3)ER255:H5,V9FuH2,V6H2,V5H6,V5H6,V7H3,V8H2,V9H6,V9:X EXPONENT 2oVV108:H(H7)7H1,V6H1,V5H5,V5H5,V7H2,V8H1,V9H5,V9H2,V6H2,V5H6,V5H6,V7H3,V8H2,V9H6,V9:4! PLOT ANGLE SIG5,V9EJH2,V6H2,V5H6,V5H6,V7H3,V8H2,V9H6,V9:Wh SUBSCRIPT 1qi7:VV116:H(H7)7kH3,VH3,V4:H2,V1:H4,VH4,V4:r SUBSCRIPT2s7:VV1111:H(H7)7tH1,V6H1,V5H5,V5H5,V7H2,V8H1,V9G$"^Y^OU GOT RIGHT TO THE CENTER OF THAT ONE!":7130nRG$"^Y^OU'RE NOT EASILY LED OFF ON TANGENTS!":7130RG$"^Y^OU'RE RIGHT AS APPLE ^PI^!!":713016:" ":16:RES!":7130=RG$"^Y^OU ZEROED RIGHT IN ON THAT ONE!":7130iRG$"^W^OW! ^Y^OU'RE NO SQUARE!":7130RG$"^I^S SOMEONE HELPING YOU?":7130RG$"^D^ARN! ^I^ THOUGHT ^I^'D FOOL YOU!!":7130RG$"^T^HAT STRIKES A FAMILIAR CHORD!":71305R "Z16:" ^T^HE CORRECT ANSWER IS (";A$;").":11000:7140yRF((1)9)1:RFRR7100765,(765)1RRRFRF7121,7122,7123,7124,7125,7126,7127,7128,7129 RG$"^Y^OU'RE TRAVELLING IN THE RIGHT CIRCL;W1:A$"B":7010Ea12:"(A) ";W1:"(B) ";W2:"(C) ";A:A$"C":7010bQPQS:16:"^T^YPE IN THE CORRECT LETTER...":3:"THEN PRESS <^R^^E^^T^^U^^R^^N^>.":7200lB$A$7100vI0I0116:" 08,7009<\12:"(A) ";A:"(B) ";W1:"(C) ";W2:A$"A":7010q]12:"(A) ";W1:"(B) ";A:"(C) ";W2:A$"B":7010^12:"(A) ";W2:"(B) ";W1:"(C) ";A:A$"C":7010_12:"(A) ";A:"(B) ";W2:"(C) ";W1:A$"A":7010`12:"(A) ";W2:"(B) ";A:"(C) "27,6028U$"IN":#U$"MI":1U$"FT":?U$"CM":MU$"YD":[U$"MM":iU$"KM":vU$"M":W QUIZ ROUTINE* * X10:Q$;" ";U$;"."YH:10:255:" ":0ZQS((1)6)1:QSQP7002[QS7004,7005,7006,7007,706432:768,CH:769,CH2:770:::[NN13:CH1286432:768,CH:769,CH2:770:::e@ 1/2B7:VV1112:H(H7)7CH3,VH3,V3:H3,VH3,V3:H2,V1:H4,VH4,V3DH,V4H6,V4:H1,V6H1,V5H5,V5H5,V7H2,V8H1,V9H+AC$(3)ER255::20010/ +AC$" "ī11010T+AC$" "YY176:YY,0,191,40,0:_ +11010{h+AC$(3)ER255:200106T1500::6T11000::6T1200::6 SHORT TIME-DELAY6T13000:::YY95:YY,0,191,40,0: NER(2:7205>RT$(13)7220!C6x SOUND ROUTINEnNN13:CH1286432:768,CH:769,CH2:770:::(#CH19123916:768,CH:769,64:770::768,255:769,255:770:*17:5:6:"(^P^RESS ^S^PACE ^B^AR TO ^C^ONTINUE.)"+16368,0:AC$CB:1100015000:3 INPUT ROUTINE:  ^%38:15:255:" ":16368,0:B${(B$(3)ER255::20010*B$(8)B$""7200/B$"A"B$"C"7205215:38:B$:04RT$6RT$(3)ER255::200109RT$(8)Ģ15:38:" "D OFF ON TANGENTS!":7130HRG$"^Y^OU'RE RIGHT AS APPLE ^PI^!!":713016:" ":16:RG$CB(((1)65)64):CDCB:NN13CHCD3232:768,CH:769,CH2:770::CDLď @p_Vޔ|@*U*@?  `|tS@ (@@=T ЀP`pj?@ ՀԊ@TplժՊ  8 z)Ԁ @@p) p ԀЪՀppxЂЀ @f+ p @@z(T*U**  `y**e+ (@Ѐ ` 0@ϊ| @^ԿժՀP8Bx  `uTЀ }Q**@p8zp@ԪՀ@_T  Oªp"* * ^Y^OUR FINAL SCORE IS ";G0;"% * *";#11000:15000:~(#CH19123916:768,CH:769,64:770::768,255:769,255:770:% PI%7%VV1111:H(H7)7&%H5,V2H11,V2:H3,V3H10,V3:H10,V1H12,V1:H1,V4H2,V49+%H5,V3(H7)7<H1,V5H5,V5H5,V7H2,V8H1,V9H5,V9sH2,V5H6,V5H6,V7H3,V8H2,V9H6,V9:" PRINT SCORE ROUTINE "T0C0I0:G0(((C0T0)100).5)"3:10:" * ^Y^OU HAVE ";C0;" OF ";T0;" CORRECT. *"'"T010Ģ13:1:20010*B$(8)B$""7200O-B$(27)ġ:1000::(4);"RUNEA MENU":7213g/B$"A"B$"C"7200z215:38:B$:04RT$6RT$(3)ER255::200109RT$(8)Ģ15:38:" ":7200>RT$(13)7220C EXPONENT 2VV1118:HG$'CB(((1)65)64):CDCB:NN13ZCHCD3232:768,CH:769,CH2:770::CDCB: **KEEPS SCORE ALONG WITH 7030 AND 8900C0C01:1100015000: INPUT ROUTINE %38:15:255:" ":16368,0:B$(B$(3)ER255::          YPE '^Y^' OR '^N^.')"( 16368,0:AC$C AC$"Y"Č62450::424R AC$"N"ı\ 8340r4! PLOT ANGLE SIGNy5!76!VV115:HH77!H2,VH7,VH2,V6H1,V6H6,V8!(#CH19123916:768,CH:769,64:770::768,255:769,255:770:VV108:H(H7)7TH1,V6H1,V5H5,V5H5,V7H2,V8H1,V9H5,V9H2,V6H2,V5H6,V5H6,V7H3,V8H2,V9H6,V9: 62450:8:"^W^OULD YOU LIKE TO SEE THAT CENTRAL ANGLE DRAWN ONE MORE TIME?" TC2 12:7:"(^T^X74,Y:18:5:"^M^":11000:15000\ |10:"^O^^M^ IS A RADIUS OF ^C^IRCLE ^O^. ";:13995 "^S^O IS ^O^^T^."::"^O^^M^ AND ^O^^T^ ARE, COLLECTIVELY, ";:255:"RADII";:0:"." 7:X40,YX63,Y23:2:16:"^T^":X41,YX64,Y23:110001 15:13995P c:3::"(^T^HAT'S PRONOUNCED SIR-^C^^U^^M^' FRENS.)":11000:15000:10 h13995::"^A^ SEGMENT DRAWN FROM THE CENTER TO THE CIRCUMFERENCE IS KNOWN AS A ";:255:"RADIUS";:0:"."# m:4:"(^T^HAT'S PRONOUNCED ^R^^A^^Y^' DEE-US.)":7:X40,Y) OF ALL POINTS THAT ARE AN EQUAL DISTANCE FROM A FIXED POINT.":13995 T:"^A^LL POINTS ON THIS CIRCLE ARE THE SAME DISTANCE FROM POINT ^O^.":11000:15000 ^10:"^T^HE DISTANCE AROUND A CIRCLE IS KNOWN ASITS ";:255:"CIRCUMFERENCE";:0:".":ࣩ~p   0p/(* `>P x  `r#(U*P @ | *U *` @|PԀ @ժժ8 P`Z%ԂP@ Nªp@_ Ԫ:zp@}Q**@p}TT  0bpp^՟ժՂxx @NJ`<(0 m+*(*`yA**  `z(T*U* @@g+@ p @@ xxЀ @ԀЪX) p r폕Ԁ @ lժՊ  8@TԊj?~@@=U (P`vS@*(@  `|@*U*@?pZR <ć @8ªpԀ<(0 iK (e(UT `Ѐ  `* U U(8@/Px @@ x`PЊ-@0 7鯅Ђ(@ ?Ԫ @7P8d~|@@?T> P`O*@* `p  `?U*U*U|Ѐ{R px 0ЂЂL؃ 0pyZ ׄ?U*U*U|Ѐ  `|G*@* p@?T<(@`p@~|@@'P8p<Ԫ( 2룅Њ(@@-@p Њ``P@/Px @@* U U(xp  `a(UT `iK (pp(0pԀЀTC2440 11000:832015:"^A^ CENTRAL ANGLE OF 360 DEGREES INTERCEPTS AN ENTIRE CIRCLE!":11000:6245010:"^H^ERE COMES ANOTHER CIRCLE. ^Y^OU'LL FIND IT LOOKS QUITE LIKE THE LAST ONE...":11000:13:"...EXCEPT, OF COURSE, FOF THE":"CIRCLE'S CIRCUMFERENCE THAT FALLS":"BETWEEN THE LEGS OF THE ANGLE.":11000:15000|GT.42:RS25:HC7:7600:1010:"^A^ CENTRAL ANGLE IS MEASURED BY ITS INTERCEPTED ARC. ^E^ACH MAY BE FROM 0 TO 360 DEGREES.":11000:7700.":13999:"^T^HIS IS CENTRAL ANGLE ^M^^O^^T^.":13999dGT.34:RS21:HC7:7600:11000:15000:10"^A^NGLE ^M^^O^^T^'S ";:255:"INTERCEPTED ARC";:0:" IS ARC ^M^^T^."GT.42:RS25:HC5:7600:11000\12:"^T^HE INTERCEPTED ARC IS THE PART NUMBER OF RADII THAT THERE MAY BE IN A CIRCLE. ^F^URTHERMORE, ALL RADII IN A CIRCLE ARE ";:255:"CONGRUENT";:0:".""(^KON^' GROO-INT: ^I^DENTICAL IN SHAPE AND SIZE.)":11000:15000610:"^T^WO RADII FORM A ";:255:"CENTRAL ANGLE";:0:"3:"(^R^^A^^Y^' DEE-^I^: ^M^ORE THAN 1 RADIUS.)"C 11000:15000 Q$"^W^HICH RADIUS DO YOU SUPPOSE IS LONGER?":Q1$"^R^ADIUS ^O^^M^.":Q2$"^R^ADIUS ^O^^T^.":Q3$"^N^EITHER ONE.":A$"C":H$" ":7000{11:"^I^N THEORY, THERE IS NO LIMIT TO THE pԀ @@ ~ *U *` @t*U*p 0~?8/) p @  0૨~x |%Ԃ P@ P`ࣅժժЂʊ   09TP>z#*U*P@  `>T |ժժ@pYR(  _Њ(pՂՂp(@@僪ժժPp ӗ(`@@yB*U*(@ @ԪՂ@R U| 0V U| 8!@ @8   0ਪp?x 7Ъ@@8(P`ЪЪp|   0p=%P@xHTp  `KTTpժՀ@`yJ*U*(@@| `Ъ (P@L7@` [Њ`@p[V( ժժ@~tG*U*p0}TP  0ʂ~@ ժժP`x(@@ՀՂ 2000025934b46,0:X38:Y43:46,0::35,17:230,64:0:0:1014,165:1015,98:2000o62450: CIRCLES3A1000::(4);"BLOADTITLE PAGE,A$4000":46,0:2000 8:17:"^C^IRCUMFERENCE":10:20:"AND ^A^REA":13998:11000 62           69,64:770::768,255:769,255:770:]*17:5:6:"(^P^RESS ^S^PACE ^B^AR TO ^C^ONTINUE.)"p+16368,0:AC$+AC$(3)ER255::20010 +AC$" "ī11010+AC$" "YY176:YY,0,191,40,0: +11010h+AC$(3)ER255:20010 6T1500::62450:8:"^W^OULD YOU LIKE TO SEE THAT CENTRAL ANGLE DRAWN ONE MORE TIME?"V TC2} 12:7:"(^T^YPE '^Y^' OR '^N^.')" 16368,0:AC$ AC$(3)ER255::20010 AC$"Y"Č62450::424 AC$"N"ı 8340%(#CH19123916:768,CH:78  7720""(G03.15ST**R1:,R12.5(G)G.R9RSR1a0X9R9(G):Y9R9(G)2(87(XX9)),YY9X40,Y4(87(XX9)1),YY9X41,Y:G<x SOUND ROUTINENN13:CH1286432:768,CH:769,CH2:770:::L 9(G):Y9R9(G))(87(XX9)),YY9C(87(XX9)1),YY9](87(XX9)),YY91y(87(XX9)1),YY91G CIRCLE SUBROUTINE 3X38:Y43X39,YX42,Y:X40,Y1X41,Y1:X40,Y1X41,Y1RS25:ST.0213)7220CL7:X38:Y43RQ1000::(4);"BLOADCIRCLE,A$4000":46,0:2000TX39,YX42,Y:X40,Y1X41,Y1:X40,Y1X41,Y1VHCX38:Y43ST.0287620G0GTSTR1R12.5(G)R9RSR1X9R5000:!13999:11000:62450:' K%38:15:255:" ":16368,0:B$h(B$(3)ER255::20010*B$(8)B$""7200/B$"A"B$"C"7205215:38:B$:04RT$6RT$(3)ER255::200109RT$(8)Ģ15:38:" ":7205>RT$(301RG$"^Y^OU'RE RIGHT AS APPLE ^PI^!!":713016:" ":16:RG$CB(((1)65)64):CDCB:NN13CHCD3232:768,CH:769,CH2:770::CDCB:110001RG$"^I^S SOMEONE HELPING YOU?":7130]RG$"^D^ARN! ^I^ THOUGHT ^I^'D FOOL YOU!!":7130RG$"^T^HAT STRIKES A FAMILIAR CHORD!":7130RG$"^Y^OU GOT RIGHT TO THE CENTER OF THAT ONE!":7130RG$"^Y^OU'RE NOT EASILY LED OFF ON TANGENTS!":719)1:RRR7100!765,(765)1*RRR^R7121,7122,7123,7124,7125,7126,7127,7128,7129dRG$"^Y^OU'RE TRAVELLING IN THE RIGHT CIRCLES!":7130RG$"^Y^OU ZEROED RIGHT IN ON THAT ONE!":7130RG$"^W^OW! ^Y^OU'RE NO SQUARE!":7130'PE IN THE CORRECT LETTER...":3:"THEN PRESS <^R^^E^^T^^U^^R^^N^>.":7200YlB$A$7100v16:" "16:6:"^T^HE CORRECT ANSWER IS (";A$;").":11000:7140R((1), THIS SUBROUTINE SETS LO-RES POINTERSX54,189:55,158:43603,240:43604,253: THIS SUBROUTINE SETSS POINTERSTO HI-RES SCREEN54,189:55,151:43603,189:43604,151:X10:Q$:12:"(A) ";Q1$:"(B) ";Q2$:"(C) ";Q3$Ib16:"^T^Y^UPPOSE ^P^^K^ IS 12CM LONG. ^T^HEN ^R^^S^ IS":Q1$"12CM LONG.":Q2$"24CM LONG.":Q3$"A RADIUS.":A$"B":700010:"^S^INCE A DIAMETER IS MADE UP OF TWO OPPOSITE RADII, IT MUST BE TWICE AS LONGAS ONE RADIUS.":1000::(4);"RUNCIRCLES1C"498:11000C13:4:"(^T^HAT'S PRONOUNCED DIE-^A^^M^' ETR.)":1100015:"^N^OTICE THAT THE DIAMETER IS MADE UP OF TWO RADII GOING IN OPPOSITE DIRECTIONS!!":11000:150001:X40,Y2X40,Y29:8:12:7:"^K^":1:X41,Y2X41,Y29:7nQ$"^SOR ITS NAME.":7500%5:11:"^P^"V12:"^T^HIS IS ^C^IRCLE ^P^.":11000:15000n5:X6,YX74,Y:75:18:"^R^"5:6:"^S^"10:"^R^^S^ CUTS THE CIRCLE INTO TWO CONGRUENT HALVES. ^I^T IS KNOWN AS A ";:255:"DIAMETER";:0:"!"UMBER.":11000:15000:,A150:A280:1506EN1Q$"^S^UPPOSE ARC ^FD^ = 100 DEGREES AND ARC ^CG^ = 60 DEGREES. ^T^HEN ^H^ CONTAINS"Q2$"20 DEGREES.":Q1$"40 DEGREES":Q3$"80 DEGREES.":A$"B":7000A2100:A160:150u10:"^Y^OU MITE THE FORMULA."i 12:"^H^= ";:V12:H3:8000:"(";A2;" - ";A1;")":19:12:"<--^S^UBSTITUTE VALUES." 14:"^H^= ";:V14:H3:8000:"(";A2A1;")":14:19:"<------^C^OMBINE TERMS."16:"^H^ = ";(A2A1)2;" DEGREES.":16:19:"<---^H^ALVE THE N^UPPOSE ARC ^FD^'S MEASURE IS 80 DEGREES, AND ARC ^CG^'S IS 50. ^A^NGLE ^H^ MEASURES" Q3$"15 DEGREES.":Q2$"30 DEGREES.":Q1$"65 DEGREES.":A$"C":7000 180 10:"^H^= (ARC -ARC )";:H3:V10:8000:H8:V10:8050:H13:V10:8040:" <--^W^RIINTERCEPTED ARCS.":V12:H15:8500 11000:15000:10:"^T^HE FORMULA FOR FINDING THE MEASURE OF AN ANGLE FORMED BY TWO SECANTS WHICH MEET OUTSIDE A CIRCLE IS THE SAME AS THAT FOR FINDING THE ANGLE FORMED BY TWOTANGENTS."V 11000:15000:Q$"^S75,Y7:> _HC:X12,Y30X160,Y16X161,Y16X11,Y30:[ d15000:HC1:91:HC6:95 x2:7:"^F^":2:17:"^G^":3:29:"^H^" }8:8:"^D^":18:6:"^C^" 10:"^CD^ AND ^FG^ ARE SECANTS THAT MEET AT ^H^."" :"^FD^ AND ^GC^ ARE ^H^'S + GHC:X6,YX55,Y29X56,Y29X7,Y:@ Z SECANTS:91,95` [HC:X20,Y16X160,Y16: \ REPAIR SECANT DAMAGE:GOSUB93 ]7:X71,Y16X73,Y16:X8,Y16X10,Y16 ^X16,Y22X17,Y22X18,Y23X16,Y23:X75,Y6X76,Y6X76,Y7X 2000025934b46,0:X38:Y43:46,0::35,17:230,64:0:0:1014,165:1015,98:2000r CIRCLES2D{100?HC:X39,YX42,Y:X40,Y1X41,Y1:X40,Y1X41,Y1:: DRAWS CENTER E DRAW CHORDS FHC:X10,Y16X72,Y16:     "^P^":23:9:"^V^"14:"^N^OTICE THAT IT IS NOT NECESSARY FOR A SEGMENT TO EXTEND BEYOND THE CIRCLE AT BOTH ENDS FOR IT TO BE A SECANT.":11000:15000HC0:91:94:93:6:5:" ":23:9:" ":3:4:" ":25:3:" "HA1vQ$"^W^HAT DO T WHICH EXTENDS BEYOND THE CIRCLE IS KNOWN AS A "N W$"SECANT":10000:"!" :8:"(^P^RONOUNCE IT ^S^^E^^E^' KANT)":11000:15000 HC1:94:6:5:"^P^":23:9:"^V^" 10:"^H^^L^ IS A SECANT.":13995::"^S^O IS ^P^^V^."HC1:94:6:5:V((1)711):H((1)35): pH:V:"^H^^A^!":N110:t qSO(1)128128:768,SO:769,SO2:770:H:V:" ":z r }7500 HC5:91:3:4:"^H^":25:3:"^L^"2 10:"^A^ LINE WHICH INTERSECTS A CIRCLE'S CIRCUMFERENCE AT TWO POINTS, BU24X58,Y24X41,Y:# Z SECANTSB [HC:X8,Y16X130,Y16:f \ REPAIR SECANT DAMAGE WITH 93 ]7:X71,Y16X73,Y16:X59,Y24X61,Y24X61,Y25X59,Y25:X8,Y16X10,Y16: ^HC:X6,YX110,Y48X111,Y48X7,Y: iHA110 n1:X40,Y1X41,Y1:: DRAWS CENTER: E DRAW CHORDSY FHC:X10,Y16X72,Y16: GHC:X6,YX55,Y29X56,Y29X7,Y: HHC:X6,YX57,Y24X58,Y24X7,Y: P RADII QHC:X40,YX55,Y29X56,Y29X41,Y: RHC:X40,YX57,Y 125 DIAMETERSD #HC:X40,12X40,72X41,72X41,12:k 0HC:X6,YX74,Y:: HORIZONTALz 2 TANGENTS 5HC:30,10261,10: 8HC:74,79261,10262,1075,79: :HC:8,2746,27:: NON-TANGENT' ?X39,YX42,Y:X40,Y1X41,Y4 2000025934( CIRCLES2A6X38:Y43@46,0M62450:S ^ 35,17j230,640:0::(4);"BLOADTITLE PAGE,A$4000":46,0:2000:9:25:"^I^NSIDE":11:33:"AND":38:13:"^O^UT"1014,165:1015,982000 11000           HC2:56-11:8:"^J^":39:2:"^K^"10:"^A^LTHOUGH ^JK^ HAS NOT BEEN OUT IN THE SUN,":"IT IS A ";:W$"TANGENT":10000:", TOO!":8:13:"(^P^RONOUNCE IT ^TAN^ GINT.)":1100013:"^A^ TANGENT IS A LINE WHICH TOUCHES THE CIRCUMFERENCEYOU CALL A MAN WHO HAS BEEN OUT IN THE SUN TOO LONG?":Q1$"^S^ONNY.":Q2$"^H^OT ^S^TUFF.":Q3$"^A^ TANGENT.":7000W$"GENT":10:"^A^ TAN ";:10000:"!";:13995:" ^G^ET IT??!":13995:105:15000:12:"^S^ORRY..........!":9000:13998:150004! PLOT ANGLE SIGN5!7.6!VV115:HH7U7!H2,VH7,VH2,V6H1,V6H6,V[8!(#CH19123916:768,CH:769,64:770::768,255:769,255:770:'255:W$;:0:*17:5:6:"(^P^RESS ^S^PACE ^B^AR TO ^C^ONTINUE.)"+16368,0:AC$7H2,V8H1,V9H5,V9YuH2,V6H2,V5H6,V5H6,V7H3,V8H2,V9H6,V9:k EXPONENT 2VV108:H(H7)7H1,V6H1,V5H5,V5H5,V7H2,V8H1,V9H5,V9H2,V6H2,V5H6,V5H6,V7H3,V8H2,V9H6,V9:7H2,V8H1,V9H5,V9XJH2,V6H2,V5H6,V5H6,V7H3,V8H2,V9H6,V9:jh SUBSCRIPT 1i7:VV116:H(H7)7kH3,VH3,V4:H2,V1:H4,VH4,V4:r SUBSCRIPT2s7:VV1111:H(H7)7tH1,V6H1,V5H5,V5H5,VRT$(8)Ģ15:38:" ":72000>RT$(13)72206CnNN13:CH1286432:768,CH:769,CH2:770:::x@ 1/2B7:VV1112:H(H7)7CH3,VH3,V3:H3,VH3,V3:H2,V1DH4,VH4,V3:H,V4H6,V4:H1,V6H1,V5H5,V5H5,V3232:768,CH:769,CH2:770::CDCB:<11000:15000:I15000:O s%38:15:255:" ":16368,0:B$(B$(3)ER255::20010*B$(8)B$""7200/B$"A"B$"C"7200215:38:B$:04RT$6RT$(3)ER255::200109130<RG$"^Y^OU'RE NOT EASILY LED OFF ON TANGENTS!":7130kRG$"^Y^OU'RE RIGHT AS APPLE ^PI^!!":713016:" ":16:RG$CB(((1)65)64):CDCB:NN13(CHCDONE!":71307RG$"^W^OW! ^Y^OU'RE NO SQUARE!":7130aRG$"^I^S SOMEONE HELPING YOU?":7130RG$"^D^ARN! ^I^ THOUGHT ^I^'D FOOL YOU!!":7130RG$"^T^HAT STRIKES A FAMILIAR CHORD!":7130RG$"^Y^OU GOT RIGHT TO THE CENTER OF THAT ONE!":7HE CORRECT ANSWER IS (";A$;").":11000:7140IR((1)9)1:RRR7100[765,(765)1dRRRR7121,7122,7123,7124,7125,7126,7127,7128,7129RG$"^Y^OU'RE TRAVELLING IN THE RIGHT CIRCLES!":7130 RG$"^Y^OU ZEROED RIGHT IN ON THAT "(C) ";Q3$+]EN1V11:H21:8500:EN36b16:"^T^YPE IN THE CORRECT LETTER...":3:"THEN PRESS <^R^^E^^T^^U^^R^^N^>.":7200lB$A$7100v16:" ",16:6:"^T^);"RUNCIRCLES2E"999E THIS SUBROUTINE SETS LO-RES POINTERSq54,189:55,158:43603,240:43604,253: THIS SUBROUTINE SETSS POINTERSTO HI-RES SCREEN54,189:55,151:43603,189:43604,151: X10:Q$:12:"(A) ";Q1$:"(B) ";Q2$:SITE SIDES OF A VERTEX) ARE CONGRUENT, ^AED^ AND ^CEB^ HAVE THE SAME DEGREE MEASURES, AS DO 'S ^AEC^ AND ^DEB^!"V12:H12:8500:V12:H21:8500:V13:H24:850015:"^T^RY TO FIGURE OUT WHAT THEIR INTERCEPTEDARCS ARE."1000::(4^ IS ONE PAIR, WHILE ^AEC^ AND ^DEB^ IS THE OTHER."w"(^C^ROSSING SEGMENTS OR LINES FORM ":"VERTICAL ANGLES.)"V13:H1:8500:V13:H10:8500:H34:V13:8500:V14:H5:8500:11000:15000|10:"^S^INCE VERTICAL ANGLES (ANGLES FORMED ON OPPOT WITH.":11000:15000yHC5:70:HC2:71:3:6:"^A^":1:15:"^C^":5:6:"^D^":3:18:"^B^":4:11:"^E^":HC0:635:11:" "710:"^T^WO PAIRS OF ";:W$"VERTICAL ANGLES":10000:" ARE FORMED WHEN TWO CHORDS INTERSECT."::" ^AED^ AND ^CEBGHT BE INTERESTED TO LEARN THAT AN ANGLE FORMED BY A SECANT AND TANGENT IS MEASURED IN THE SAME WAY!":11000:15000HC0:91:95:93:2:7:" ":2:17:" ":3:29:" ":8:8:" ":18:6:" "10:"^T^HAT LEAVES ONE TYPE OF ANGLE STILL TO BE DEAL  pp``@ @p  @8`p@8`p ``  @0@p? p@ <@0@p            @p`0@  0`~`~8   p@x`? 0@`@@p~ @0450 V8:H20 100+  DIAMETERSV #HC:X40,12X40,72X41,72X41,12: 0HC:X6,YX75,Y:: HORIZONTAL ?7:X39,YX42,Y:X40,Y1X41,Y1:X40,Y1X41,Y1:: DRAWS CENTER P RADII  QHC:X40,YX55,Y29X56(222)-*NER255İ1000::(4);"RUNEA MENU"34N:0::N6T12500::_6T1500::z:YY95:YY,0,191,40,0:0,0:1 ^B^AR TO ^C^ONTINUE.)"*+16368,0:AC$H+AC$(3)ER255::20010] +AC$" "ī11010+AC$" "YY176:YY,0,191,40,0: +11010h+AC$(3)ER255:200106T1500::6T12500::6T1500:::YY95:YY,0,191,40,0: NER$"Y"Č62450::424" AC$"N"ı, 8340B4! PLOT ANGLE SIGNI5!7\6!VV115:HH77!H2,VH7,VH2,V6H1,V6H6,V8!(#CH19123916:768,CH:769,64:770::768,255:769,255:770:'255:W$;:0:*17:5:6:"(^P^RESS ^S^PACE40,Y1X41,Y1V+x SOUND ROUTINEcNN13:CH1286432:768,CH:769,CH2:770::: 62450:8:"^W^OULD YOU LIKE TO SEE THAT CENTRAL ANGLE DRAWN ONE MORE TIME?" TC2 12:7:"(^T^YPE '^Y^' OR '^N^.')" 16368,0:AC$ ACB$:04RT$,6RT$(3)ER255::20010M9RT$(8)Ģ15:38:" ":7205b>RT$(13)7220hCL CIRCLE SUBROUTINEN3PX38:Y43Q1000::(4);"BLOADCIRCLE,A$4000":46,0:2000R CENTERTX39,YX42,Y:X40,Y1X41,Y1:X(1)65)64):CDCB:NN13MCHCD3232:768,CH:769,CH2:770::CDCB:X11000e15000:{ INPUT ROUTINE %38:15:255:" ":16368,0:B$(B$(3)ER255::20010*B$(8)B$""7200/B$"A"B$"C"7205215:38: RIGHT TO THE CENTER OF THAT ONE!":7130aRG$"^Y^OU'RE NOT EASILY LED OFF ON TANGENTS!":7130RG$"^Y^OU'RE RIGHT AS APPLE ^PI^!!":713016:" ":16:RG$CB((RG$"^Y^OU ZEROED RIGHT IN ON THAT ONE!":7130\RG$"^W^OW! ^Y^OU'RE NO SQUARE!":7130RG$"^I^S SOMEONE HELPING YOU?":7130RG$"^D^ARN! ^I^ THOUGHT ^I^'D FOOL YOU!!":7130RG$"^T^HAT STRIKES A FAMILIAR CHORD!":7130(RG$"^Y^OU GOTHE CORRECT ANSWER IS (";A$;").":11000:7140Q ** CORRECT ANSWER ROUTINE **nR((1)9)1:RRR7100765,(765)1RRRR7121,7122,7123,7124,7125,7126,7127,7128,7129RG$"^Y^OU'RE TRAVELLING IN THE RIGHT CIRCLES!":71300IN THE CORRECT LETTER...":3:"THEN PRESS <^R^^E^^T^^U^^R^^N^>.":7200ZgHA1İ15000:jlB$A$7100u *** INCORRECT ANSWER ROUTINE ***v16:" ",16:6:"^T^NTERS154,189:55,158:43603,240:43604,253:j THIS SUBROUTINE SETSS POINTERSTO HI-RES SCREEN54,189:55,151:43603,189:43604,151:W QUIZ ROUTINE* * X Y10:Q$\12:"(A) ";Q1$:"(B) ";Q2$:"(C) ";Q3$Fb16:"^T^YPE T OF A LINE. ^W^HEN THAT LINE IS EXTENDED THROUGH ^D^...":11000:91x15:"...WE HAVE A SECANT.":11000:1500010:"^P^ARDON ME, WHILE ^I^ GET A BYTE...":139951000::(4);"RUNCIRCLES2B"999 THIS SUBROUTINE SETS LO-RES POI AT ONE POINT ONLY.":11000BHC5:58:1:3:"^C^":9:3:"^D^"15000:Q$"^C^^D^ IS":Q1$"A TANGENT.":Q2$"A SECANT.":Q3$"A DISGRACE.":A$"B":7000J10:"^A^LTHOUGH ^C^^D^ TOUCHES THE CIRCLE AT ONLY ONE POINT, WE MUST REMEMBER THAT IT IS PAR0@810:900hHC5:82:6:10:"24M":Q$"^T^HE AREA OF THIS CIRCLE IS":Q1$"1808.64 SQ. METERS.":Q2$"75.36 SQ. METERS.":Q3$"150.72 SQ. METERS.":A$"A":7000:R24:900Ar10:"^P^ARDON ME WHILE ^I^ MIX UP SOME AREA AND CIRCUMFERENCE PROBLEMS. ^T^HEN ^ILT BY 3.14 ( ) TOFIND THE AREA OF A CIRCLE. ":V13|TH35:9500:11000:15:"^L^ET'S TRY A COUPLE.":11000:15000^6:10:"10M":Q$"^T^HE AREA OF THIS CIRCLE IS":Q1$"31.4 SQ.METERS.":Q2$"62.8 SQ.METERS.":Q3$"314 SQ.METERS.":A$"C":7000:RA^ = PI-R-SQUARED, MEANS THAT THE AREA OF ANY CIRCLE MAY BECALCULATED IF WE KNOW ITS RADIUS.":11000@1:102,108162,108162,95102,95102,108101,108101,95:163,108163,95;J12:"^J^UST MULTIPLY THE RADIUS BY ITSELF, AND THEN MULTIPLY THE RESU"HC1:13:16:"^A^ = R":V13:H20:9500:V13:H23:8100:82:63:6:12:"R":11000:15000,10:16:"^A^ = R":V10:H20:9500:V10:H23:8100:5:102,108162,108162,95102,95102,108101,108101,95:163,108163,95h612:"^T^HE FORMULA, READ ^3998v"^T^HEN ^D^EMETRIUS, ALWAYS THE JOKER, SAID:":8:(34);"^S^ECANT YE SHALL FIND!";(34):13998:11000:150009:"^S^OME CHARACTER, THAT ^D^EMETRIUS! ^A^T ANY RATE, THEY CONTINUED TO SEEK, ANDTHEY EVENTUALLY DISCOVERED THE FORMULA:"^OURSE, THEY DIDN'T KNOW THAT THEY WERE ANCIENT!)":11000:150009:"^T^HEY WISHED TO DISCOVER A WAY TO FIND A CIRCLE'S AREA, BUT DUE TO THE NATURE OF THE FIGURE'S SHAPE, THEY DECIDED THAT FILLING IT UP WITH LITTLE SQUARES WOULD SIMPLY NOT DO.":1 MORE PRACTICE WITH THIS SORT OF THING LATER."::"^M^EANWHILE, THERE'S STILL ANOTHER IN THE OVEN!":V13:H34:9500:11000:15000B10:"^O^NE DAY, ABOUT 2300 YEARS AGO, SOME ANCIENT ^G^REEKS WERE SITTING AROUND AND PONDERING CIRCLES. (^O^F C3995:15:"^L^ET'S TRY ONE (JUST FOR FUN).":11000:15000K4:8:"18IN"Q$"^T^HE CIRCUMFERENCE OF THE CIRCLE MEASURES":Q1$"56.52 INCHES.":Q2$"113.04 INCHES.":Q3$"169.56 INCHES.":A$"B":7000:R18:850HC0:81:6310:"^W^E'LL GET SOME FIND A CIRCLE'S CIRCUMFERENCE WHEN ONLY A RADIUS IS KNOWN. ^W^E HAVE A FORMULA FOR THAT SITUATION TOO!":11000:1500010:12:"^C^ = 2 R":V10:H17:9500912:"^O^F COURSE, 2R IS THE SAME AS D.":"(^T^WO RADII EQUAL ONE DIAMETER.)":14:10:"200CM":HC2:48Q$"^F^IND THE CIRCUMFERENCE OF THE CIRCLE.":Q1$"600.84 CENTIMETERS.":Q2$"620.36 CENTIMETERS.":Q3$"628 CENTIMETERS.":A$"C":7000:D200:800HC0:48:4:10:" ":63:HC1:81:6310:"^S^OMETIMES, YOU NEED TOE THE DIAMETER IS 24 CM LONG. ^T^HE CIRCUMFERENCE OF THE CIRCLE IS":Q1$"72 CENTIMETERS.":Q2$"75.36 CENTIMETERS.":Q3$"78.82 CENTIMETERS.":A$"B":7000D24:80010:"^L^ET'S SEE WHETHER YOU CAN FIND YOUR WAY AROUND ONE MORE.":11000:15000ND BY APPLYING THE FORMULA:" 14:16:"^C^ = D":V14:H20:9500:13995:16:"(^C^ MEANS CIRCUMFERENCE, AND D DIAMETER.)":11000:15000 12:"^I^F YOU'D LIKE TO GET A PENCIL AND SOME":"PAPER, ^I^'D BE GLAD TO WAIT.":11000:15000Q$"^S^UPPOSLE'S DIAMETER."J }"^T^HEY CALLED THAT 3-AND-A-BIT, .":V14:H31:9500 " HAS A VALUE OF APPROXIMATELY 3.14.":V15:H1:HC5:48:9500:11000:15000 10:"^T^HAT MEANS THAT IF THE DIAMETER OF A CIRCLE IS KNOWN, THE CIRCUMFERENCE CAN BE FOU IS ONE THAT CANNOT":"BE EXPRESSED AS A FRACTION NOR AS A":"REPEATING DECIMAL.)"g s11000:7500:10 x"^T^HE ^G^REEKS FOUND THAT IF YOU UNROLL THE CIRCUMFERENCE OF A CIRCLE, YOU GET A LENGTH THAT IS 3-AND-A-LITTLE-MORE TIMESTHE LENGTH OF THE CIRC,Y29X41,Y:; RHC:X40,YX57,Y24X58,Y24X41,Y:p d8:" IS THE ^G^REEK LETTER PI.":V8:H1:9500 n9:"^I^T STANDS FOR AN IRRATIONAL NUMBER THAT ^G^REEK GEOMETERS DISCOVERED MORE THAN 2000 YEARS AGO."R p13:"(^A^N IRRATIONAL NUMBER'255:W$;:0:G*17:5:6:"(^P^RESS ^S^PACE ^B^AR TO ^C^ONTINUE.)"Z+16368,0:AC$x+AC$(3)ER255::20010 +AC$" "ī11010+AC$" "YY176:YY,0,191,40,0: +11010h+AC$(3)ER255:200106T1500::6T12500:: IBING MANY ANGLES IN A HALF CIRCLE. ^Y^OU MAY BE SURPRISED!!"S11000:15000HC0:35:X40,12X12,Y16X40,72X41,72X13,Y16X41,121:12:" ":6:3:" ":12:8:" "0:X40,12X12,59X40,72X41,72X13,59X41,12:6:6:" "X41,126:6:"^G^"10:"^A^NY ANGLE INSCRIBED IN A SEMICIRCLE MUSTBE A RIGHT ANGLE.":13995::"^H^ERE WE HAVE SLID ^E^ DOWN TO ^G^ TO FORM ";:"^D^^G^^F^.";V14:H6:8500" ^I^T'S A RIGHT ANGLE!"13995A"^T^RY INSCRH8,V6H8,V3H9,V3H9,V6&%0%9%'255:W$;:0:u%*17:" (^P^RESS ^S^PACE ^B^AR TO ^C^ONTINUE.) "%+16368,0:AC$%+AC$(3)ER255::20010% +AC$" "ī11010%+AC$" "YY176:YY,0,191,40,0:% +11010&h+AC$(3)ER255H6,V7H3,V8H2,V9H6,V9:e$(#CH19123916:768,CH:769,64:770::768,255:769,255:770:o$% PIv$%7$%VV1111:H(H7)7$&%H5,V2H11,V2:H3,V3H10,V3:H10,V1H12,V1:H1,V4H2,V4 %+%H5,V3H5,V6H4,V6H4,V3:220 #C#LX38:Y43:7M#Q1000::(4);"BLOADCIRCLE,A$4000":46,0:2000#TX39,YX42,Y:X40,Y1X41,Y1:X40,Y1X41,Y1#V# EXPONENT 2#VV1118:H(H7)7#H1,V5H5,V5H5,V7H2,V8H1,V9H5,V9"$H2,V5H6,V511000:15000:"15000:""  F"%38:15:255:" ":16368,0:B$c"(B$(3)ER255::20010{"*B$(8)B$""7200"/B$"A"B$"C"7200"215:38:B$:0"4RT$"6RT$(3)ER255::20010"9RT$(8)Ģ15:38:" ":7200#>RT$(13)7NGENTS!":7130=!RG$"^Y^OU'RE RIGHT AS APPLE ^PI^!!":7130!16:" ":16:RG$!CB(((1)65)64):CDCB:NN13!CHCD3232:768,CH:769,CH2:770::CDCB:"E!":71303 RG$"^I^S SOMEONE HELPING YOU?":7130i RG$"^D^ARN! ^I^ THOUGHT ^I^'D FOOL YOU!!":7130 RG$"^T^HAT STRIKES A FAMILIAR CHORD!":7130 RG$"^Y^OU GOT RIGHT TO THE CENTER OF THAT ONE!":7130!RG$"^Y^OU'RE NOT EASILY LED OFF ON TA).":11000:7140-R((1)9)1:RRR71006RRRjR7121,7122,7123,7124,7125,7126,7127,7128,7129pRG$"^Y^OU'RE TRAVELLING IN THE RIGHT CIRCLES!":7130RG$"^Y^OU ZEROED RIGHT IN ON THAT ONE!":7130 RG$"^W^OW! ^Y^OU'RE NO SQUARQ2$:"(C) ";Q3$gb16:"^T^YPE IN THE CORRECT LETTER...":3:"THEN PRESS <^R^^E^^T^^U^^R^^N^>.":7200wlB$A$7100v16:" "16:6:"^T^HE CORRECT ANSWER IS (";A$;" ":HC0:82:63:999I THIS SUBROUTINE SETS LO-RES POINTERSu54,189:55,158:43603,240:43604,253: THIS SUBROUTINE SETSS POINTERSTO HI-RES SCREEN54,189:55,151:43603,189:43604,151:X10:Q$:12:"(A) ";Q1$:"(B) ";W^RITE THE FORMULA.":A3.14RRg11:"^A^=(3.14)(";R;")(";R;")":11:19:"<---^S^UBSTITUTE VALUES."13:"^A^=(3.14)(";RR;")":13:19:"<-------^M^ULTIPLY ONCE."15:"^A^=";A;" SQ.M":15:19:"<------^M^ULTIPLY AGAIN.":11000:15000:10:6:"VALUES."Kf13:"^C^ = (6.28)(";R;")":13:19:"<-------^M^ULTIPLY ONCE."k15:"^C^ = ";C;" INCHES":15:19:"<------^M^ULTIPLY AGAIN.":11000:15000:4:8:" "p A=PI X R^29:"^A^= R":V9:H3:9500:V9:H6:8100:9:19:"<---^UBSTITUTE VALUES."_914:"^C^ = ";C;"CM":14:19:"<------^M^ULTIPLY TERMS.":11000:15000:sR C=2 X PI X R\9:"^C^ = 2 R":V9:H6:9500:9:19:"<---^W^RITE THE FORMULA.":C23.14Ra11:"^C^ = 2(3.14)(";R;")":11:19:"<---^S^UBSTITUTE ^'LL THROWTHEM AT YOU AND SEE WHETHER ^I^ CAN MIX YOU UP ALSO!"b|1000::(4);"RUNCIRCLES3B"k799{  C=PI X D*10:"^C^ = D <---^W^RITE THE FORMULA.":V10:H5:9500/C3.14D412:"^C^ = (3.14)(";D;")":12:19:"<---^S^+AC$(3)ER255::20010/ +AC$" "ī11010T+AC$" "YY176:YY,0,191,40,0:_ +11010{h+AC$(3)ER255:200106139996T12500::6T1500:::YY95:YY,0,191,40,0: NER(222)*NER255İ1000::(4);"RUNEA MENU"4NHIS MENU."<3:G0173175:84,G0167,G0::83,17383,185f17:13:255:"^P^RESS ^A^ - ^F^!":0x 16368,0:Z$ Z$(3)İ1000::(4);"RUNEA MENU"Z$"A"Z$"F"Ĺ16368,0:265766,(Z$)61Z$"A"Č62450:7500:315Z$"B"ČD BY ^T^ANGENTS"A3:"^D^ ----> ^A^NGLES FORMED BY ^S^ECANTS"u3:"^E^ ----> ^I^NTERSECTING ^C^HORD ^A^NGLES"3:"^F^ ----> ^C^OMPUTER'S ^C^HOICE"12:2:"^P^RESS <^CONTROL^-^C^> FOR THE MAIN MENU." :3:"<^ESC^> WILL RETURN YOU TO TT COME IN HANDY.":11000J62450:9:16:"^G^OOD ^L^UCK!":13998:62450bT00:TS0:I00:C00i 1:13:"^P^RACTICE ^M^ENU"5:3:"^A^ ----> ^C^ENTRAL ^A^NGLES"3:"^B^ ----> ^I^NSCRIBED ^A^NGLES"3:"^C^ ----> ^A^NGLES ^F^ORMECTION (COMPUTER'S CHOICE).":11000:624505:"^W^HICHEVER YOU CHOOSE TO PRACTICE, YOU WILL BE GIVEN 10 PROBLEMS. ^T^HEN YOU WILLBE SHOWN YOUR SCORE.":"^Y^OU MAY DO AS MANY SETS OF 10 PROBLEMS AS YOU WISH.":"^A^ PENCIL AND PAPER MIGH1000::(4);"BLOADTITLE PAGE,A$4000":46,0:2000x9:12:"^M^IXED ^P^RACTICE ^W^ITH ^A^NGLES":13998:11000:624505:"^I^N A MOMENT, YOU WILL SEE A MENU.":13998+:"^Y^OU MAY CHOOSE TO PRACTICE WITH ONE TYPEOF FIGURE, OR WITH A RANDOM SELE12:"S= ";:V12:H3:8000:"(";A2;" + ";A1;")":19:12:"<--^S^UBSTITUTE VALUES." 14:"S= ";:V14:H3:8000:"(";A2A1;")":14:19:"<------^C^OMBINE TERMS." 16:"S=";(A2A1)2;" DEGREES.":16:19:"<---^H^ALVE THE NUMBER.":11000:15000:2H3:8000:"(";A2A1;")":14:19:"<------^C^OMBINE TERMS." 16:"^H^=";(A2A1)2;" DEGREES.":16:19:"<---^H^ALVE THE NUMBER.":11000:15000: 10:"S= (ARC +ARC )";:H3:V10:8000:H8:V10:8050:H13:V10:8040:" <--^W^RITE THE FORMULA."S 30X160,Y16X161,Y16X11,Y30: s10:"^H^= (ARC -ARC )";:H3:V10:8000:H8:V10:8050:H13:V10:8040:" <--^W^RITE THE FORMULA." x12:"^H^= ";:V12:H3:8000:"(";A2;" - ";A1;")":19:12:"<--^S^UBSTITUTE VALUES."; }14:"^H^= ";:V14:,YX55,Y29X56,Y29X41,Y:L RHC:X40,YX51,Y28X52,Y28X41,Y:l [HC:X20,Y16X160,Y16: ]7:X71,Y16X73,Y16:X8,Y16X10,Y16 ^X16,Y22X17,Y22X18,Y23X16,Y23:X75,Y6X76,Y6X76,Y7X75,Y7:% _HC:X12,Y75,79:F ?7:X39,YX42,Y:X40,Y1X41,Y1:X40,Y1X41,Y1:d FHC:X8,Y11X74,Y11: GHC:X9,Y4X55,Y29X56,Y29X10,Y4: LHC:X6,Y6X57,Y24X58,Y24X7,Y6: MHC:X6,Y6X55,Y29X56,Y29X7,Y6: QHC:X40" 2000025934b46,0:X38:Y43:46,0::35,17:230,64:0:0:1014,165:1015,98:2000o62450: CIRCLES4A 10000: INITIALIZE U$"DEGREES"1805HC:30,10261,10:77:X37,10X45,10: 8HC:74,79261,10262,10                 ! !   PPPPS""""((((((((((((((((((((((((((((((((PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP@DHLPTX\@DHLPTX\AEIMQUY]AEIMQUY]BFJNRVZ^BFJNRVZ^CGKOSW[_CGKOSW[_@DHLPTX\@DHLPTX\AEIMQUY]AEIMQUY]BFJNRVZ^BFJNRVZ^CGKOSW[_CGKOSW[_@DHLPTX\@DHLPTX\AEIMQUY]AEIMQUY]BFJNRVZ^BFJNRVZ^CGKOSW[_CGKOSW[_""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""  ' {HC2:56:HC5:82:63:14:8:"^N^" }Q$"^W^HAT DO YOU SUPPOSE THE DEGREE MEASURE OF ANGLE ^V^^N^^O^ IS?":Q1$"^L^ESS THAN 90 DEGREES.":Q2$"^E^XACTLY 90 DEGREES.":Q3$"^M^ORE THAN 90 DEGREES.":A$"B":700010:"^J^UST AS ^VYO^ IS A RIGHT ANGL f15000# nHC6:53:HC1:83:63Q o11:5:"^O^":11:1:"^Y^":38:1:"^V^" x10:"^Y^^V^ IS A TANGENT TO ^C^IRCLE ^O^."::"^O^^Y^ IS A RADIUS DRAWN TO THE POINT OF TANGENCY."::" ^V^^Y^^O^ IS A RIGHT ANGLE." yV15:H1:8500:11000:15000:& \ REPAIR SECANT DAMAGE WITH 93 ]7:X71,Y16X73,Y16:X59,Y24X61,Y24X61,Y25X59,Y25:X8,Y16X10,Y16: ^HC:X6,YX110,Y48X111,Y48X7,Y: dHC0:56:58:11:8:" ":39:2:" " eHC0:91:1:3:" ":9:3:" ":93 X55,Y29X56,Y29X7,Y:F HHC:X6,YX57,Y24X58,Y24X7,Y:R P RADII QHC:X40,YX55,Y29X56,Y29X41,Y: RHC:X40,YX51,Y28X52,Y28X41,Y: SHC:X40,YX40,12X41,12X41,Y: Z SECANTS [HC:X8,Y16X130,Y162 TANGENTS$ 5HC:30,10261,10:I 8HC:74,79261,10262,1075,79:n :HC:8,2746,27:: NON-TANGENT ?7:X39,YX42,Y:X40,Y1X41,Y1:X40,Y1X41,Y1:: DRAWS CENTER E DRAW CHORDS FHC:X10,Y16X72,Y16: GHC:X6,YR 2000025934"46,00X38:Y43:46,0J CIRCLES2BP [ 35,17g230,64q0:01014,165:1015,982000100 DIAMETERS#HC:X40,12X40,72X41,72X41,12:0HC:X6,YX74,Y:: HORIZONTAL                0)180:A1360A2).4:4:A2:4:18:A10A(A2A1)2:W1(A2A1)2(((1)30)):800:7000:115:8900:HC0:53:56:55:4:4:" ":4:18:" ":XA(((1)175)1)2:8006b7900:76:7900:77:5:18:A2:Q$"^T^HE DEGREE MEASURE OF THE INSCRIB10:"^A^ CENTRAL ANGLE IS EQUAL IN DEGREE MEASURE TO THE ARC THAT IT INTERCEPTS!":11000:15000:8900:HC0:81:82:63:18:5:" ":&7900:53:7900:56:Q$"^T^HE DEGREE MEASURE OF THE ANGLE FORMED WHERE THE TWO TANGENTS MEET IS":A2((1)12E SAME CIRCLES!":11000:62450C9:13:"^S^EE YOU SOON!":13998e1000::(4);"RUN MGMT":400~A((1)175)1:8007900:81:7900:82:63:5:18:A:Q$"^T^HE DEGREE MEASURE OF THE CENTRAL ANGLE WHOSE INTERCEPTED ARC IS MARKED IS":700013:5:"^T^YPE ^N^ TO RETURN TO ^M^AIN ^M^ENU."Cm16368,0:AC$aoAC$(3)ER255::20010rrAC$"Y"198sAC$"Y"198tAC$"^"380uAC$"N"380w365|62450:8:"^O^H, WELL! ^I^'M SURE WE'LL MEET AGAIN, SINCE WE TRAVEL IN TH10:700::350OT0110.TMP((1)5)1=VMPPM340GWPMMPcYMP550,500,600,650,700i]^1000:19000:2000:46,0:11000:15000c3:7:"^W^OULD YOU LIKE TO GO AROUND AGAIN?"0h12:3:"^T^YPE ^Y^ TO RETURN TO ^P^RACTICE ^M^ENU.":62450:7500:320.Z$"C"Č62450:7500:310L"Z$"D"Č62450:7500:325j'Z$"E"Č62450:7500:330,Z$"F"Č62450:7500:33512656T0110:550::350;T0110:500::350@T0110:600::350ET0110:650::350JT01:17:7:"^EDUCATIONAL^ ^ACTIVITIES^ ^INC^."= D12000:DF 5: T0202:0T,0T278T,0T:0T,191T278T,191T:T 5:13:"^GEOMETRY^ ^ALIVE^!" 8:19:"BY":11:13:"^J^ASON ^A^. ^D^YLAN" 16:5:"(C) 1984 ^A^CTIVITY ^R^ECORDSbh20:46,0:35,17::6:T064:98,1033T,156:179,10243T,156::T10156:98,T179,T::4T4863:RR.3:116R,T160R,T::T99113:UU.3:101U,T173,T::T99156:II.15:163I,T176I,T:, 54,189:55,151:43603,189:43604,151 0:I00:C00:I(*17:" (^P^RESS ^S^PACE ^B^AR TO ^C^ONTINUE.) "\(+16368,0:AC$z(+AC$(3)ER255::20010(+AC$(27)ġ:11050( +AC$" "ī11010(+AC$" "YY176:YY,0,191,40,0:( +11010(*+0:62450:10000:225 )h+AC$(3)6,V9:_'"TSC0I0:G0(((C0TS)100).5):4:10:" * ^Y^OU HAVE ";C0;" OF ";TS;" CORRECT. *"'"TS10Ģ13:4:"* * ^Y^OUR FINAL SCORE IS ";G0;"% * *":'#11000:15000:'(#CH19123916:768,CH:769,64:770::768,255:769,255:770: ('T00:TSH2,V9H6,V9&O(&h SUBSCRIPT 1B&i7:VV116:H(H7)7o&kH3,VH3,V4:H2,V1:H4,VH4,V4:&r SUBSCRIPT2&s7:VV1111:H(H7)7&tH1,V5H5,V5H5,V7H2,V8H1,V9H5,V9'uH2,V5H6,V5H6,V7H3,V8H2,V9H%HU((1)6)1:HU47900-%HUHB7900?%HBHU:HCHU:I%@ 1/2P%A7h%BVV1112:H(H7)7%CH3,VH3,V3:H2,V1:H4,VH4,V3%DH,V4H6,V4%HH1,V5H5,V5H5,V7H2,V8H1,V9H5,V9&JH2,V5H6,V5H6,V7H3,V815:38:B$:0"$416368,0:RT$@$6RT$(3)ER255::20010a$9RT$(8)Ģ15:38:" ":7200v$>RT$(13)7220|$C$LX38:Y43:7$O1000::(4);"BLOADCIRCLE,A$4000":46,0:2000$TX39,YX42,Y:X40,Y1X41,Y1:X40,Y1X41,Y1$V:770::CDCB:># **KEEPS SCORE ALONG WITH 7030 AND 8900Q#C0C01:11000^#15000:t# INPUT ROUTINE# 38:15:255:" ":16368,0:B$#%B$(27)ġ:11050#(B$(3)ER255::20010#*B$(8)B$""7200#/B$"A"B$"C"7200$2 EASILY LED OFF ON TANGENTS!":7130R"RG$"^Y^OU'RE RIGHT AS APPLE ^PI^!!":7130"16:" ":16:RG$"CB(((1)65)64):CDCB:NN13#CHCD3232:768,CH:769,CH2W! ^Y^OU'RE NO SQUARE!":7130H!RG$"^I^S SOMEONE HELPING YOU?":7130~!RG$"^D^ARN! ^I^ THOUGHT ^I^'D FOOL YOU!!":7130!RG$"^T^HAT STRIKES A FAMILIAR CHORD!":7130!RG$"^Y^OU GOT RIGHT TO THE CENTER OF THAT ONE!":7130#"RG$"^Y^OU'RE NOT.":11000:7140. RF((1)9)1:RFRR7100@ 765,(765)1J RRRF RF7121,7122,7123,7124,7125,7126,7127,7128,7129  RG$"^Y^OU'RE TRAVELLING IN THE RIGHT CIRCLES!":7130 RG$"^Y^OU ZEROED RIGHT IN ON THAT ONE!":7130!RG$"^W^O10Zb16:"^T^YPE IN THE CORRECT LETTER...":3:"THEN PRESS <^R^^E^^T^^U^^R^^N^>.":7200jlB$A$7100vvI0I0116:" " 16:6:"^T^HE CORRECT ANSWER IS (";A$;")2:"(A) ";W1:"(B) ";A:"(C) ";W2:A$"B":7010c^12:"(A) ";W2:"(B) ";W1:"(C) ";A:A$"C":7010_12:"(A) ";A:"(B) ";W2:"(C) ";W1:A$"A":7010`12:"(A) ";W2:"(B) ";A:"(C) ";W1:A$"B":7010a12:"(A) ";W1:"(B) ";W2:"(C) ";A:A$"C":7053:= THIS SUBROUTINE SETSS POINTERSTO HI-RES SCREENi54,189:55,151:43603,189:43604,151:uX10:Q$YQS((1)6)1:QSQP7001ZQPQS[QS7004,7005,7006,7007,7008,7009\12:"(A) ";A:"(B) ";W1:"(C) ";W2:A$"A":7010.]1$W1W1:810%W1W1.5:810,*W1C800I4W2(A(((1)4)1).5)h7W7((1)2)1:W7824,825w8W2W2:8309W2W2.5:830>W2C820HW2W1820R THIS SUBROUTINE SETS LO-RES POINTERS54,189:55,158:43603,240:43604,2TH THE LETTER, S, IS"U3:13:"S":A2((1)50)1:A1((1)70)1:A(A1A2)2:CA^8004:4:A2:2:17:A1:7000:150:8900:HC0:70:71:3:13:" ":4:4:" ":2:17:" ": W1(A(((1)4)1).5):CA#W7((1)2)1:W7804,805 E FORMED WHERE THE TWO SECANTS MEET IS":A1((1)40)10:A2((1)100)A1d5:4:A2:4:18:A1A(A2A1)2:800:7000:115:8900:HC0:91:95:93:5:4:" ":4:18:" ":7900:70:7900:71:Q$"^T^HE DEGREE MEASURE OF THE ANGLE MARKED WIED ANGLE WHOSE INTERCEPTED ARC IS MARKED IS":7000l10:"^A^N INSCRIBED ANGLE IS EQUAL IN DEGREE MEASURE TO HALF THE ARC IT INTERCEPTS!":11000:15000:8900:HC0:76:77:18:5:" ":K7900:91:7900:95:Q$"^T^HE DEGREE MEASURE OF THE ANGL!"    h+AC$(3)ER255:20010,6T1500::>6T11000::O6T1200::h6 SHORT TIME-DELAYz6T13000:::YY95:YY,0,191,40,0: NER(222)*NER255İ1000::(4);"RUNEA MENU"4N"6H6,V8!Q(#CH19123916:768,CH:769,64:770::768,255:769,255:770:*17:5:6:"(^P^RESS ^S^PACE ^B^AR TO ^C^ONTINUE.)"+16368,0:AC$+AC$(3)ER255::20010 +AC$" "ī11010+AC$" "YY171:YY,0,191,40,0: +110100 4RT$(6RT$(3)ER255::20010I9RT$(8)Ģ15:38:" ":7205^>RT$(13)7220dCyx SOUND ROUTINENN13:CH1286432:768,CH:769,CH2:770:::4! PLOT ANGLE SIGN5!76!VV115:HH77!H2,VH7,VH2,V6H1,V65)64):CDCB:NN13ICHCD3232:768,CH:769,CH2:770::CDCB:T11000a15000:w INPUT ROUTINE} %38:15:255:" ":16368,0:B$(B$(3)ER255::20010*B$(8)B$""7200/B$"A"B$"C"7205215:38:B$:HT TO THE CENTER OF THAT ONE!":7130]RG$"^Y^OU'RE NOT EASILY LED OFF ON TANGENTS!":7130RG$"^Y^OU'RE RIGHT AS APPLE ^PI^!!":713016:" ":16:RG$CB(((1)$"^Y^OU ZEROED RIGHT IN ON THAT ONE!":7130XRG$"^W^OW! ^Y^OU'RE NO SQUARE!":7130RG$"^I^S SOMEONE HELPING YOU?":7130RG$"^D^ARN! ^I^ THOUGHT ^I^'D FOOL YOU!!":7130RG$"^T^HAT STRIKES A FAMILIAR CHORD!":7130$RG$"^Y^OU GOT RIGORRECT ANSWER IS (";A$;").":11000:7140M ** CORRECT ANSWER ROUTINE **jR((1)9)1:RRR7100|765,(765)1RRRR7121,7122,7123,7124,7125,7126,7127,7128,7129RG$"^Y^OU'RE TRAVELLING IN THE RIGHT CIRCLES!":7130,RGb16:"^T^YPE IN THE CORRECT LETTER...":3:"THEN PRESS <^R^^E^^T^^U^^R^^N^>.":7200flB$A$7100u *** INCORRECT ANSWER ROUTINE ***v16:" "(16:6:"^T^HE C SETS LO-RES POINTERSA54,189:55,158:43603,240:43604,253:z THIS SUBROUTINE SETSS POINTERSTO HI-RES SCREEN54,189:55,151:43603,189:43604,151:W QUIZ ROUTINE* * X Y10:Q$\12:"(A) ";Q1$:"(B) ";Q2$:"(C) ";Q3$V 7:6310:"^N^OW ^I^'M GOING TO GET A SHORT QUIZ."::"^B^E SURE NOT TO USE CIRCULAR REASONING WHEN ZEROING IN ON THE ANSWERS!":1100015000:10:"^B^E PATIENT, NOW..."1000::(4);"RUNCIRCLES1D"999 THIS SUBROUTINE:t*LJ(4);"OPEN STUDFIL,L";RL:(4);"WRITE STUDFIL,R";SI:LN$:NA$:T110:P(T):A(T):T:(4);"CLOSE STUDFIL":*VJP(OP)(765):A(OP)A(OP)1:* NER(222)**NER255İ1000::(4);"RUNEA MENU"*4N*C&`QR`E Ls  ER255:20010)613999*)6T12500::<)6T11000::W):YY84:YY,0,191,40,0:)8JRL91:OP(766):SI(767):19010:19030:19020:765,0:*BJ(4);"OPEN STUDFIL,L";RL:(4);"READ STUDFIL,R";SI:LN$,NA$:T110:P(T),A(T):T:(4);"CLOSE STUDFIL"20 L`!͢à ѤĠŠŠƠŠŮѱӮѲӮѳӮâ Ġ à   ԠպѱӮѲӮѳӮ¢ Ġ  ԠԧӠŠҠՠΠĠҠ٠ĠŠŮ    Ա  ԠޠĢ֠Ƞ   ԠޠӠŬĠĠҮ  ѤŠŠҠӠ͠ǮŠŠƠŠŠӢԠӠŠƠ٠֠Ƞà     ԠԠӠԠƠŠҠƠŠӠάŠŠΠŠĠ٠ǠŠ ԠŠӠĠԠƠՠ̠ŠŠƠŬՠԠȠԠӠĭŭŠŠȠƠŠŧӠҮԠ٠ĠԠĭԬ֠Ƞ Π̠ҠԠˠӠĠŠΠӠϮ ԠΠ̠ҠӠŠԠԢԠŠĠӠΠҠӠԠǠ̮  DFIL,R";SI LN$:NA$3 T110:P(T):A(T):TM (4);"CLOSE STUDFIL"S t P(OP)(765):A(OP)A(OP)1:'v RL91OP(766)9SI(767):1000:4000:3000D765,0Jh(4);"OPEN STUDFIL,L";RL(4);"READ STUDFIL,R";SILN$,NA$T110:P(T),A(T):T(4);"CLOSE STUDFIL"$ (4);"OPEN STUDFIL,L";RL (4);"WRITE STU22)**NER255İ1000::(4);"RUNEA MENU"04N8 6T11000::# 6T1200::< 6 SHORT TIME-DELAYN 6T13000::i :YY95:YY,0,191,40,0:w NER(222) *NER255İ1000::(4);"RUNEA MENU" 4NT6f>AcwkcccbfnvffF66666660 >0<666<0006<0  86666,666IIII6666666< 6>>< < 0`<00000<6c66>6666666666666>>><6&<666>666<<000006f60 666666<0 0  0>> 0 60<8l  666< 66666<08000006f66f<7IIII6666666666#UUUUUUUUUU66666666|<`>f0 f`[3^   000 Z<`0 >66666><60 >60068<62~00>0068 66~`"" " "