The figure is not drawn to scale. Find
- ∠m
- ∠n
(a)
∠r
= 180° - 103°
= 77° (Angles on a straight line)
∠q
= 180° - 80° - 77°
= 23° (Angles sum of triangle)
∠q = ∠m (Alternate angles)
(b)
∠p
= 180° - 103°
= 77° (Interior angles)
∠p = ∠n = 77° (Corresponding angles)
Answer(s): (a) 23°; (b) 77°