In the figure, PQRS is a square and ∠QTS = 38°. Calculate
- ∠SUR
- ∠QSU
(a)
∠QUT
= 180° - 90° - 38°
= 52° (Angles sum of triangle)
∠SUR = 52° (Vertically opposite angles)
(b)
∠SQU = 90° ÷ 2 = 45°
∠QSU
= 180° - 38° - 90° - 45°
= 7° (Angles sum of triangle)
Answer(s): (a) 52°; (b) 7°