The figure is not drawn to scale. Find
- ∠q
- ∠r
(a)
∠v
= 180° - 103°
= 77° (Angles on a straight line)
∠t
= 180° - 78° - 77°
= 25° (Angles sum of triangle)
∠t = ∠q (Alternate angles)
(b)
∠s
= 180° - 103°
= 77° (Interior angles)
∠s = ∠r = 77° (Corresponding angles)
Answer(s): (a) 25°; (b) 77°