In the diagram PQ = PR = RS. What is the size of angle x? Q R 36° x P J 54° S K 72° L 90° M 108° N 144° In the diagram below, ST is parallel to UV. What is the value of x? P not to scale x° 132° U V 134° T S L 46 M 48 N 86 O 92 P 94 In the diagram below, PT = QT = TS, QS = SR, PQT = 20°. What is the value of x? Q x 20 P R 20 S T S 25 T 30 R U 35 V 40 In the diagram the lines PQ and SR are parallel, as are the lines PS and QT. What is the value of x? P 41° 83° x° S Q R T D 139 E 138 F 124 G 98 H 97 The diagram, which is not drawn accurately, shows a parallelogram inside a triangle. The marked lengths are equal. What is the value of x? x° Q 60 R 75 S 90 T 120 U more information needed In the diagram, MON = 130°. The reflection of OP in OM is OQ and the reflection of OP in ON is OR. What is the size of QOR? Q M O P not to scale R N I 100° J 120° K 140° L 150° M 160° U 69° V 71° W 111° What is the size of the angle marked x? x 113° S 42° Not to scale 109° T 67° What is the value of a + b + c + d + e + f? c° d° b° a° F 360 G 540 H 720 I e° f° 900 J it depends on the triangle In the diagram RPM = 20° and QMP = 70°. What is PRS? P 20 ° N 70° M Q Q 90° R R 110° S 120° S T 130° Triangle PQR is equilateral. Angle SPR = 40°, angle TQR = 35°. angle SXT? U 140° What is the size of the marked P 40° T X Q Z 140° 35° S A 135° R B 120° C 105° D 75°