The figure is not drawn to scale. Find
- ∠c
- ∠d
(a)
∠g
= 180° - 104°
= 76° (Angles on a straight line)
∠f
= 180° - 78° - 76°
= 26° (Angles sum of triangle)
∠f = ∠c (Alternate angles)
(b)
∠e
= 180° - 104°
= 76° (Interior angles)
∠e = ∠d = 76° (Corresponding angles)
Answer(s): (a) 26°; (b) 76°