An equilateral triangle, JKL, is folded as shown in the figure. Find
- ∠HGL
- ∠KHL.
(a)
∠GLH = 60° (Equilateral triangle JKL)
∠HGL
= 180° - 60° - 55° (Angles sum of triangle)
= 65°
(b)
∠KHL
= 180° - 55° - 55°
= 70° (Angles on a straight line)
Answer(s): (a) 65°; (b) 70°