The figure is made up of straight lines. Given that ∠q is twice that of ∠s, find
- ∠q
- ∠r
- ∠s
(a)
∠q = 86° (Vertically opposite angles)
(b)
∠r
= 180° - 86° - 43°
= 51° (Angles on a straight line)
(c)
∠s
= 86° ÷ 2
= 43°
Answer(s):(a) 86°; (b) 51°; (c) 43°