Given the figure, find
- ∠d
- ∠c
(a)
∠CDH
= 180° - 132°
= 48° (Angles on a straight line)
∠d = 48° (Alternate angles)
(b)
∠HGD
= 180° - 111°
= 69° (Angles on a straight line)
∠c
= 180° - 69° - 72°
= 39° (Angles sum of triangle)
Answer(s): (a) 48°; (b) 39°