In the figure, given that GHJK is a parallelogram and ML is parallel to JK, find
- ∠GKJ
- ∠JGK
- ∠GJH
(a)
∠LGH = ∠GKJ = 30° (Corresponding angles)
(b)
∠JGK
= 180° - 30° - 39°
= 111° (Angles sum of triangle)
(c)
∠GJH = ∠JGK = 111° (Alternate angles)
Answer(s): (a) 30°; (b) 111°; (c) 111°