An equilateral triangle, HJK, is folded as shown in the figure. Find
- ∠HGK
- ∠JHK.
(a)
∠GKH = 60° (Equilateral triangle HJK)
∠HGK
= 180° - 60° - 56° (Angles sum of triangle)
= 64°
(b)
∠JHK
= 180° - 56° - 56°
= 68° (Angles on a straight line)
Answer(s): (a) 64°; (b) 68°