Given the figure, find
- ∠d
- ∠c
(a)
∠HJN
= 180° - 128°
= 52° (Angles on a straight line)
∠d = 52° (Alternate angles)
(b)
∠NMJ
= 180° - 112°
= 68° (Angles on a straight line)
∠c
= 180° - 68° - 78°
= 34° (Angles sum of triangle)
Answer(s): (a) 52°; (b) 34°