The figure shows a parallelogram. Find
- ∠e
- ∠d
- ∠c
(a)
∠GJH
= 180° - 33° - 61°
= 86° (Angles sum of triangle)
∠e = ∠GJH = 86° (Vertically opposite angles)
(b)
∠d = ∠GFH = 61° (Alternate angles)
(c)
∠HJG = ∠e = 86° (Vertically opposite angles)
∠c
= 86° - 61°
= 25° (Exterior angle of a triangle)
Answer(s): (a) 86°; (b) 61°; (c) 25°