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