Given the figure, find
- ∠s
- ∠r
(a)
∠LMR
= 180° - 127°
= 53° (Angles on a straight line)
∠s = 53° (Alternate angles)
(b)
∠RQM
= 180° - 111°
= 69° (Angles on a straight line)
∠r
= 180° - 69° - 78°
= 33° (Angles sum of triangle)
Answer(s): (a) 53°; (b) 33°