The figure is not drawn to scale. Find
- ∠e
- ∠f
(a)
∠i
= 180° - 101°
= 79° (Angles on a straight line)
∠h
= 180° - 78° - 79°
= 23° (Angles sum of triangle)
∠h = ∠e (Alternate angles)
(b)
∠g
= 180° - 101°
= 79° (Interior angles)
∠g = ∠f = 79° (Corresponding angles)
Answer(s): (a) 23°; (b) 79°