The figure shows a parallelogram. Find
- ∠e
- ∠d
- ∠c
(a)
∠GJH
= 180° - 36° - 76°
= 68° (Angles sum of triangle)
∠e = ∠GJH = 68° (Vertically opposite angles)
(b)
∠d = ∠GFH = 56° (Alternate angles)
(c)
∠HJG = ∠e = 68° (Vertically opposite angles)
∠c
= 68° - 56°
= 12° (Exterior angle of a triangle)
Answer(s): (a) 68°; (b) 56°; (c) 12°