In the figure, CDEF is a parallelogram and GE = GF.
- Find ∠h.
- Find ∠j.
(a)
∠CGD = ∠CDG (Isosceles triangle)
∠h
= 180° - 44° - 44° - 72°
= 20° (Interior angles)
(b)
∠CGD
= 180° - 44° - 44°
= 92° (Angles sum of triangle)
∠j
= 360° - 92°
= 268° (Angles at a point)
Answer(s): (a) 20°; (b) 268°