An equilateral triangle, FGH, is folded as shown in the figure. Find
- ∠ZYH
- ∠GZH.
(a)
∠YHZ = 60° (Equilateral triangle FGH)
∠ZYH
= 180° - 60° - 54° (Angles sum of triangle)
= 66°
(b)
∠GZH
= 180° - 54° - 54°
= 72° (Angles on a straight line)
Answer(s): (a) 66°; (b) 72°