Given the figure, find
- ∠f
- ∠e
(a)
∠DEJ
= 180° - 127°
= 53° (Angles on a straight line)
∠f = 53° (Alternate angles)
(b)
∠JHE
= 180° - 112°
= 68° (Angles on a straight line)
∠e
= 180° - 68° - 72°
= 40° (Angles sum of triangle)
Answer(s): (a) 53°; (b) 40°