The figure is not drawn to scale. Find
- ∠h
- ∠i
(a)
∠m
= 180° - 102°
= 78° (Angles on a straight line)
∠k
= 180° - 79° - 78°
= 23° (Angles sum of triangle)
∠k = ∠h (Alternate angles)
(b)
∠j
= 180° - 102°
= 78° (Interior angles)
∠j = ∠i = 78° (Corresponding angles)
Answer(s): (a) 23°; (b) 78°