Top 10k strings from O'Level Maths Revision - Geometry (1983)(Rose Software)(16k).tzx in <root> / bin / z80 / software / Sinclair Spectrum Collection TOSEC.exe / Sinclair ZX Spectrum - Utilities & Educational / Sinclair ZX Spectrum - Utilities & Educational - [TZX] (TOSEC-v2007-01-01) /
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10 "9";"Press any key":
9 "0";"What is the";
8 "8878"*(ind=
6 sc
6 >::>>>>>>>>99>>99;;>>>>>>>>>
6 >::88::88>>99;;9>;;99;;9>;;>
6 >::88::88>>99;;99;;99;;99;;>
6 ;" Program loading ";
6 ;" PLEASE WAIT ";
6 "0";" STOP TAPE & press ENTER ":
5 o$=" ":
5 * WELL DONE *
4 j;". ";p$(i):
4 ;"SOFTWARE
4 "7";"YOUR ANSWER No. ";q$:
4 "6";"MORE EXAMPLES? y OR n":
4 PRESS KEY
4 EXERCISE
4 Correct answer is no. ";k:
3 gr
3 A.Cowley Apr.1983
3 "17";e-g;"
3 "0";o$;o$;o$;
3 TOTAL INCORRECT:
3 REVISION QUESTIONS
2 s and 1 side (AAS)
2 gr (
2 "0";"value of the";
2 "0";"value of
2 "0";"triangles";
2 "0";"parallelogram?"
2 "0";"interior angles";
2 "0";"These two";
2 "0";"The radius of the";
2 "0";"AC is a diameter";
2 lines or lines of symmetry
2 are ALTERNATE
2 The diagonals are NOT mirror-
2 TOTAL INCORRECT: ";v:
2 TOTAL CORRECT:
2 A
2
1 since c and "+
1 since a and "+
1 s of a quadrilateral = 360
1 s in cyclic quad.)
1 s OF CYCLIC QUAD=180
1 s OF A TRIANGLE = 180
1 q$="t");("false"
1 p$="t");("false"
1 o$=" "
1 k+" =OPxOQ=OPx(OP+"+
1 i+"=2x6 so PN="+
1 gr 0
1 g6 `
1 g5 q
1 g4 q
1 g3 q
1 g2 q
1 g1 q
1 four two eight AF
1 f$="(omit 'cm')":
1 f$="(omit
1 a$="since d="+
1 a$="since a/b = "+
1 a$="since "+
1 a$="RUBBISH"
1 a$="
1 a and b are CORRESPONDING ANGLES
1 TZXed by Andrew Barker
1 TYPICAL 'O' LEVEL QUESTIONS
1 THIS IS NOT PROOF OF CONGRUENCY
1 SUM OF OPP.
1 Rose Software
1 QRS = ";90
1 QOS from previous question":
1 PUT n=4 INTO (2n-4)X90
1 PQS) QS (from
1 Original Release
1 O is the centre":
1 MORE EXAMPLES? y OR n":
1 Geometry 5
1 Geometry 4
1 Geometry 3
1 Geometry 1
1 Educational
1 DAE=180-50-"+
1 CRQ is isosceles ":
1 CQR=";(180
1 CORRESPONDING
1 CORRECT ANSWER";:
1 CEF=90-40=
1 CAB=180-"+
1 BCD (alt.seg.th.)
1 ABC through 120
1 ABC is isosceles":
1 ABC IS ISOSCELES &
1 A.Cowley Mar.1983
1 =OPxOQ SO "+
1 ;" x ";j^2
1 ;" SEGMENT THEOREM
1 6
1 5 Y
1 4 1
1 3 *
1 2
1 1
1 /i)+" and OT
1 +j;" such","rotations, A",,"returns to its",,"original position"
1 *j*i;"cm":
1 *j);" sq.cm"
1 *i;"cm->";
1 *i)+"=QR/PQ giving PR="+
1 )="yXz=360
1 )="y+z=180":
1 )="y+z=180
1 )="vertically opposite angles":
1 )="trapezium":
1 )="supplementary (a+b)=180
1 )="rhombus":
1 )="rectangle":
1 )="parallelogram":
1 )="hX(a+b)/2":
1 )="eight":
1 )="corresponding angles"
1 )="complementary (a+b)=90
1 )="c=a+b":
1 )="b=c+a":
1 )="alternate angles":
1 )="a=b+c":
1 )="OT=OS":
1 )="OT=2 x radius":
1 )="OT+OS=2x
1 )="OP=half radius":
1 )="OP = AP":
1 )="90+y=z":
1 )="360/y":
1 )="360/(180-y)":
1 )="(aXh)-b/2":
1 )="(aXb)/h":
1 )+"x("+p$(2
1 )+"+2r)
1 (omit 'cm')P
1 #'O' Level Maths Revision - Geometry
1 "9";"Press any key"
1 "8";"similar triangles.":
1 "8";"(tangents CR=CQ)":
1 "7";"YOUR ANSWER: ";("true"
1 "7";"CORRECT ANS: ";("true"
1 "6";"subtended by arc QB)":
1 "5";"Compare the sides of the";
1 "4";"similar (equal angles)":
1 "4";"FOR AN";
1 "4";"(from previous question)";
1 "4";"(angles in same segment";
1 "3";"Triangles PQS and QSR are";
1 "3";"QS = ";k;" x ";j;" = ";k*j;"cm":
1 "28";"<-";i;
1 "27";"-->"
1 "26";i;"cm";
1 "23";i;"cm";
1 "23";"ext
1 "23";"<-a->";
1 "2";"(alternate segment theorem)":
1 "2";" So ":
1 "2";" END ":
1 "19";"<-b-> <-a->"
1 "19";"<--";
1 "18";"<---- b ---->";
1 "17";i;"cm";
1 "17";i;" cm";
1 "17";"SR";
1 "17";"<-";2
1 "15";"= --";
1 "14";"ROSE";
1 "12";"SOFTWARE"
1 "12";"SOFTWARE
1 "12";"QS ";j^2
1 "12";"-- = --";
1 "1";"c'?":
1 "1";"b'?":
1 "1";"Your answer: ";a$:
1 "1";"INTERSECTING":
1 "1";"INTERNAL POINT";
1 "0";o$;o$;
1 "0";"z=?":
1 "0";"y is the angle";
1 "0";"y and z?":
1 "0";"y and z are";
1 "0";"value of ";
1 "0";"true that:-"
1 "0";"true for";
1 "0";"topmost angle";
1 "0";"to SR";
1 "0";"this special";
1 "0";"then it is";
1 "0";"the sum is (2X6-4)X90
1 "0";"the radius of";
1 "0";"the area of";
1 "0";"tangent.";
1 "0";"tangent to";
1 "0";"tangent is ALWAYS ?"
1 "0";"symmetry for a";
1 "0";"sum of the";
1 "0";"states c
1 "0";"smaller circle";
1 "0";"similar";
1 "0";"quadrilateral?":
1 "0";"polygon is";
1 "0";"polygon has";
1 "0";"or line of symmetry";
1 "0";"opposite
1 "0";"of the";
1 "0";"of the circle";
1 "0";"of symmetry does";
1 "0";"of rotational";
1 "0";"of an n-sided";
1 "0";"of a regular hexagon?"
1 "0";"of a quadrilateral?"
1 "0";"of PR is ";4
1 "0";"of PQ is ";
1 "0";"of ANY polygon = 360
1 "0";"name of";
1 "0";"name of this";
1 "0";"m is a mirror line";
1 "0";"lines of symmetry":
1 "0";"larger circle";
1 "0";"is true?";
1 "0";"is bisected.";
1 "0";"inscribed";
1 "0";"in one interior
1 "0";"in a rt
1 "0";"formula for";
1 "0";"for this equilateral
1 "0";"following";
1 "0";"exterior
1 "0";"diameter";
1 "0";"cyclic quadrilateral";
1 "0";"circle RPQ";
1 "0";"circle QRS";
1 "0";"centre P = ";i/2
1 "0";"centre O = ";i;"cm."
1 "0";"b ";i+j
1 "0";"at the centre";
1 "0";"are tangents.";
1 "0";"are similar";
1 "0";"are congruent":
1 "0";"angles marked";
1 "0";"angle marked";
1 "0";"angle marked '?'"
1 "0";"and we know
1 "0";"and OP=";5
1 "0";"and APQ are";
1 "0";"about angles";
1 "0";"a,b and c?"
1 "0";"a trapezium?"
1 "0";"a rectangle have?"
1 "0";"a circle and a";
1 "0";"a and b are:-":
1 "0";"a = ";i+1
1 "0";"Which of the";
1 "0";"What is the order";
1 "0";"What is always";
1 "0";"What can we say";
1 "0";"What are the equal";
1 "0";"Triangles ABC";
1 "0";"The sum of the";
1 "0";"The sum of the internal
1 "0";"The angle z between a chord AB",,,"and a tangent is equal to the",,,"angle z in the alternate segment":
1 "0";"The angle between";
1 "0";"The SUM of the exterior angles";
1 "0";"TC is a tangent";
1 "0";"ST is a";
1 "0";"SR=";j^2
1 "0";"SO the length";
1 "0";"PQ=";k^2
1 "0";"PQ is parallel";
1 "0";"PQ (from
1 "0";"OT and OS";
1 "0";"OP = ?"
1 "0";"O is the centre.";
1 "0";"NQ=";i;"cm":
1 "0";"NOTE that RQ is parallel to AB since
1 "0";"If the area of";
1 "0";"If AP=PB";
1 "0";"If OT=";4
1 "0";"How many lines";
1 "0";"How many degrees";
1 "0";"Don't forget there may be more than one HELP per question":
1 "0";"C is the centre";
1 "0";"By rotating equilateral","
1 "0";"Angle between tangent and radius":
1 "0";"AQT is a";
1 "0";"AOB is a";
1 "0";"AB=";i+2
1 "0";"AB is a diameter";
1 "0";"A regular n-sided";
1 "0";"=(12-4)X90
1 "0";"(2n-4)X90
1 "0";"'a' called?":
1 "0";" QUESTIONS
1 ","about P, we get the","same picture"
1 " your answer",f$:
1 " CHORD THEOREM":
1 " (alternate angles)";
1 y or n ":
1 this irregular hexagon";
1 the length";
1 the area of";
1 perpendicular bisector of AB
1 of cyclic quad. SO
1 of AB and AC
1 making ";3
1 it has ";3
1 in semi-circle)
1 has 3 such lines
1 cyclic quad.
1 between radius & tgt)and
1 atcentre=twice
1 at circumference)
1 at circumference";
1 at centre &
1 are SUPPLEMENTARY
1 TOTAL INCORRECT: ";v
1 TOTAL CORRECT:
1 THEN opp.
1 So SQ = ?
1 SYMMETRY
1 SUM OF EXT.
1 SUM OF ANGLES OF
1 SO CS=r="+p$(1
1 SINCE OP = OT - PT = "+
1 SINCE IT IS ONE-THIRD OF 360
1 SIMILAR TRIANGLES
1 Remember P and Q are midpoints
1 ROTATIONAL SYMMETRY
1 REVISION QUESTION
1 REVISION ";
1 REMEMBER THIS:-
1 PYTHAGORAS THEOREM
1 PN x NQ = RN x NS
1 Order of rotational symmetry=3
1 OR NEED help? ENTER h
1 OP is called the
1 OP X OQ = OR X OS = OT
1 OF A CYCLIC QUAD. = THE INTERIOR OPPOSITE ANGLE
1 Like to see why? ";:
1 Hi there
1 HI THERE
1 Geometry 2
1 Geometry 6
1 FOUR TIMES THE AREA
1 Equilateral
1 EXTERIOR
1 DOUBLING THE DIMENSIONS GIVES
1 DIVIDE THE SUM (2n-4)X90
1 CORRESPONDING ANGLE with "+
1 CONGRUENT
1 CONGRUENCY OF TRIANGLES
1 BY ROTATING 180
1 Always:-
1 APQ is ";i;" sq.cm";
1 AN EXTERIOR
1 ALTERNATE ANGLE with "+
1 ABOUT P TWICE
1 ABC is ";i*(4
1 = sum of INT. opp.
1 4 SIDES EQUAL & DIAGS.AT RT.
1 3,4,5 and 5,12,13 are rt
1 2 OPPOSITE SIDES ARE PARALLEL
1 (vert.opp.
1 (must be the included angle)":
1 (angle in semi-circle) SO
1 (alt.seg.th.) SO
1 (See OSBQ)":
1 TOTAL CORRECT: ";u;
1 TOTAL CORRECT: ";u
1 TOTAL CORRECT : ";u;
1 THE ALTERNATE ";
1 SO z=2X"+
1 ALTERNATE ANGLES
1 3 sides equal (SSS)
1 2 sides & included
1 TANGENTS FROM AN EXTERNAL POINT ARE EQUAL IN LENGTH
1 45
1 180
1 A
1 40
1 30
1 P
1