The figure shows a parallelogram. Find
- ∠e
- ∠d
- ∠c
(a)
∠GJH
= 180° - 44° - 64°
= 72° (Angles sum of triangle)
∠e = ∠GJH = 72° (Vertically opposite angles)
(b)
∠d = ∠GFH = 59° (Alternate angles)
(c)
∠HJG = ∠e = 72° (Vertically opposite angles)
∠c
= 72° - 59°
= 13° (Exterior angle of a triangle)
Answer(s): (a) 72°; (b) 59°; (c) 13°