Given the figure, find
- ∠b
- ∠a
(a)
∠NPT
= 180° - 131°
= 49° (Angles on a straight line)
∠b = 49° (Alternate angles)
(b)
∠TSP
= 180° - 112°
= 68° (Angles on a straight line)
∠a
= 180° - 68° - 76°
= 36° (Angles sum of triangle)
Answer(s): (a) 49°; (b) 36°