The figure is not drawn to scale. Find
- ∠j
- ∠k
(a)
∠p
= 180° - 104°
= 76° (Angles on a straight line)
∠n
= 180° - 81° - 76°
= 23° (Angles sum of triangle)
∠n = ∠j (Alternate angles)
(b)
∠m
= 180° - 104°
= 76° (Interior angles)
∠m = ∠k = 76° (Corresponding angles)
Answer(s): (a) 23°; (b) 76°