Given the figure, find
- ∠z
- ∠y
(a)
∠MNS
= 180° - 128°
= 52° (Angles on a straight line)
∠z = 52° (Alternate angles)
(b)
∠SRN
= 180° - 111°
= 69° (Angles on a straight line)
∠y
= 180° - 69° - 76°
= 35° (Angles sum of triangle)
Answer(s): (a) 52°; (b) 35°