Given the figure, find
- ∠k
- ∠j
(a)
∠MNS
= 180° - 131°
= 49° (Angles on a straight line)
∠k = 49° (Alternate angles)
(b)
∠SRN
= 180° - 110°
= 70° (Angles on a straight line)
∠j
= 180° - 70° - 72°
= 38° (Angles sum of triangle)
Answer(s): (a) 49°; (b) 38°