In the figure, RSTU is a square and ∠SVU = 36°. Calculate
- ∠UWT
- ∠SUW
(a)
∠SWV
= 180° - 90° - 36°
= 54° (Angles sum of triangle)
∠UWT = 54° (Vertically opposite angles)
(b)
∠USW = 90° ÷ 2 = 45°
∠SUW
= 180° - 36° - 90° - 45°
= 9° (Angles sum of triangle)
Answer(s): (a) 54°; (b) 9°