The figure shows a rectangle GHJK. ∠GKL = 57° and ∠HKJ = 40°. Find
- ∠HKL
- ∠GHK
(a)
∠HKL
= 57° + 40° - 90°
= 7° (Overlapping angles)
(b)
∠GKH
= 57° - 7°
= 50° (Overlapping angles)
∠GHK
= 180° - 90° - 50°
= 40° (Angles sum of triangle)
Answer(s): (a) 7°; (b) 40°