The figure is not drawn to scale. Find
- ∠j
- ∠k
(a)
∠p
= 180° - 105°
= 75° (Angles on a straight line)
∠n
= 180° - 78° - 75°
= 27° (Angles sum of triangle)
∠n = ∠j (Alternate angles)
(b)
∠m
= 180° - 105°
= 75° (Interior angles)
∠m = ∠k = 75° (Corresponding angles)
Answer(s): (a) 27°; (b) 75°