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