The figure is not drawn to scale. Find
- ∠v
- ∠w
(a)
∠z
= 180° - 100°
= 80° (Angles on a straight line)
∠y
= 180° - 78° - 80°
= 22° (Angles sum of triangle)
∠y = ∠v (Alternate angles)
(b)
∠x
= 180° - 100°
= 80° (Interior angles)
∠x = ∠w = 80° (Corresponding angles)
Answer(s): (a) 22°; (b) 80°