The figure is made up of straight lines. Given that ∠j is twice that of ∠m, find
- ∠j
- ∠k
- ∠m
(a)
∠j = 86° (Vertically opposite angles)
(b)
∠k
= 180° - 86° - 43°
= 51° (Angles on a straight line)
(c)
∠m
= 86° ÷ 2
= 43°
Answer(s):(a) 86°; (b) 51°; (c) 43°