The figure is made up of straight lines. Given that ∠g is twice that of ∠i, find
- ∠g
- ∠h
- ∠i
(a)
∠g = 80° (Vertically opposite angles)
(b)
∠h
= 180° - 80° - 40°
= 60° (Angles on a straight line)
(c)
∠i
= 80° ÷ 2
= 40°
Answer(s):(a) 80°; (b) 60°; (c) 40°