VWXY is a rhombus. VYZ is an equilateral triangle. Find
- ∠ZVW
- ∠VWY
(a)
∠ZVY
= 180° ÷ 3
= 60° (Equilateral triangle)
∠WVY = ∠WXY = 110° (Rhombus)
∠ZVW
= 110° + 60°
= 170°
(b)
∠VWY
= (180° - 110°) ÷ 2
= 35° (Isosceles triangle)
Answer(s): (a) 170°; (b) 35°