In the figure, PQRS is a square and ∠QTS = 39°. Calculate
- ∠SUR
- ∠QSU
(a)
∠QUT
= 180° - 90° - 39°
= 51° (Angles sum of triangle)
∠SUR = 51° (Vertically opposite angles)
(b)
∠SQU = 90° ÷ 2 = 45°
∠QSU
= 180° - 39° - 90° - 45°
= 6° (Angles sum of triangle)
Answer(s): (a) 51°; (b) 6°