In the figure, FGHJ is a square and ∠GKJ = 38°. Calculate
- ∠JLH
- ∠GJL
(a)
∠GLK
= 180° - 90° - 38°
= 52° (Angles sum of triangle)
∠JLH = 52° (Vertically opposite angles)
(b)
∠JGL = 90° ÷ 2 = 45°
∠GJL
= 180° - 38° - 90° - 45°
= 7° (Angles sum of triangle)
Answer(s): (a) 52°; (b) 7°