The figure is made up of straight lines. Given that ∠w is thrice that of ∠y, find
- ∠w
- ∠x
- ∠y
(a)
∠w = 87° (Vertically opposite angles)
(b)
∠x
= 180° - 87° - 29°
= 64° (Angles on a straight line)
(c)
∠y
= 87° ÷ 3
= 29°
Answer(s):(a) 87°; (b) 64°; (c) 29°