An equilateral triangle, EFG, is folded as shown in the figure. Find
- ∠JHG
- ∠FJG.
(a)
∠HGJ = 60° (Equilateral triangle EFG)
∠JHG
= 180° - 60° - 53° (Angles sum of triangle)
= 67°
(b)
∠FJG
= 180° - 53° - 53°
= 74° (Angles on a straight line)
Answer(s): (a) 67°; (b) 74°