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