The figure shows a parallelogram. Find
- ∠p
- ∠n
- ∠m
(a)
∠RVS
= 180° - 39° - 63°
= 78° (Angles sum of triangle)
∠p = ∠RVS = 78° (Vertically opposite angles)
(b)
∠n = ∠RQS = 50° (Alternate angles)
(c)
∠SVR = ∠p = 78° (Vertically opposite angles)
∠m
= 78° - 50°
= 28° (Exterior angle of a triangle)
Answer(s): (a) 78°; (b) 50°; (c) 28°