The figure is made up of straight lines. Given that ∠j is thrice that of ∠m, find
- ∠j
- ∠k
- ∠m
(a)
∠j = 84° (Vertically opposite angles)
(b)
∠k
= 180° - 84° - 28°
= 68° (Angles on a straight line)
(c)
∠m
= 84° ÷ 3
= 28°
Answer(s):(a) 84°; (b) 68°; (c) 28°