The figure is made up of straight lines. Given that ∠w is thrice that of ∠y, find
- ∠w
- ∠x
- ∠y
(a)
∠w = 84° (Vertically opposite angles)
(b)
∠x
= 180° - 84° - 28°
= 68° (Angles on a straight line)
(c)
∠y
= 84° ÷ 3
= 28°
Answer(s):(a) 84°; (b) 68°; (c) 28°