The figure shows a parallelogram. Find
- ∠j
- ∠i
- ∠h
(a)
∠MQN
= 180° - 31° - 80°
= 69° (Angles sum of triangle)
∠j = ∠MQN = 69° (Vertically opposite angles)
(b)
∠i = ∠MKN = 55° (Alternate angles)
(c)
∠NQM = ∠j = 69° (Vertically opposite angles)
∠h
= 69° - 55°
= 14° (Exterior angle of a triangle)
Answer(s): (a) 69°; (b) 55°; (c) 14°