The figure shows a parallelogram. Find
- ∠g
- ∠f
- ∠e
(a)
∠IMJ
= 180° - 43° - 73°
= 64° (Angles sum of triangle)
∠g = ∠IMJ = 64° (Vertically opposite angles)
(b)
∠f = ∠IHJ = 50° (Alternate angles)
(c)
∠JMI = ∠g = 64° (Vertically opposite angles)
∠e
= 64° - 50°
= 14° (Exterior angle of a triangle)
Answer(s): (a) 64°; (b) 50°; (c) 14°