Given the figure, find
- ∠f
- ∠e
(a)
∠MNS
= 180° - 128°
= 52° (Angles on a straight line)
∠f = 52° (Alternate angles)
(b)
∠SRN
= 180° - 114°
= 66° (Angles on a straight line)
∠e
= 180° - 66° - 74°
= 40° (Angles sum of triangle)
Answer(s): (a) 52°; (b) 40°