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