Given the figure, find
- ∠f
- ∠e
(a)
∠MNS
= 180° - 129°
= 51° (Angles on a straight line)
∠f = 51° (Alternate angles)
(b)
∠SRN
= 180° - 114°
= 66° (Angles on a straight line)
∠e
= 180° - 66° - 77°
= 37° (Angles sum of triangle)
Answer(s): (a) 51°; (b) 37°