In the figure, NPQR is a square and ∠PSR = 35°. Calculate
- ∠RTQ
- ∠PRT
(a)
∠PTS
= 180° - 90° - 35°
= 55° (Angles sum of triangle)
∠RTQ = 55° (Vertically opposite angles)
(b)
∠RPT = 90° ÷ 2 = 45°
∠PRT
= 180° - 35° - 90° - 45°
= 10° (Angles sum of triangle)
Answer(s): (a) 55°; (b) 10°