The figure is made up of straight lines. Given that ∠g is twice that of ∠i, find
- ∠g
- ∠h
- ∠i
(a)
∠g = 78° (Vertically opposite angles)
(b)
∠h
= 180° - 78° - 39°
= 63° (Angles on a straight line)
(c)
∠i
= 78° ÷ 2
= 39°
Answer(s):(a) 78°; (b) 63°; (c) 39°