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