
How to tackle this question?
How to tackle this question?
(a) ∠TSR = 180 – 43 = 137 (sum of interior angles, QT//RS)
∠TSU = 360 -137- 125 = 980 (angles at a point)
(b) ∠VQS = 50 (alt angles, QT//RS)
∠QVS = 180 – 17 – 50 = 1130 (angles in a triangle)