The figure is not drawn to scale. Find
- ∠p
- ∠q
(a)
∠t
= 180° - 100°
= 80° (Angles on a straight line)
∠s
= 180° - 79° - 80°
= 21° (Angles sum of triangle)
∠s = ∠p (Alternate angles)
(b)
∠r
= 180° - 100°
= 80° (Interior angles)
∠r = ∠q = 80° (Corresponding angles)
Answer(s): (a) 21°; (b) 80°