An equilateral triangle, YZA, is folded as shown in the figure. Find
- ∠RQA
- ∠ZRA.
(a)
∠QAR = 60° (Equilateral triangle YZA)
∠RQA
= 180° - 60° - 58° (Angles sum of triangle)
= 62°
(b)
∠ZRA
= 180° - 58° - 58°
= 64° (Angles on a straight line)
Answer(s): (a) 62°; (b) 64°