HJKL is a parallelogram. HLM and JNM are straight lines. Find the values of
- ∠b
- ∠e
- ∠d
- ∠c
(a)
∠b
= 180° - 50° - 58°
= 72° (Interior angles)
(b)
∠NHJ = ∠NJH = 50° (Isosceles triangle)
∠e
= 180° - 58° - 50° - 50°
= 22° (Interior angles)
(c)
∠d
= 180° - 50° - 50°
= 80° (Isosceles triangle)
(d)
∠c = 58° (Alternate angles)
Answer(s): (a) 72°; (b) 22°; (c) 80°; (d) 58°