In the figure, STUV is a parallelogram and WU = WV.
- Find ∠x.
- Find ∠y.
(a)
∠SWT = ∠STW (Isosceles triangle)
∠x
= 180° - 41° - 41° - 70°
= 28° (Interior angles)
(b)
∠SWT
= 180° - 41° - 41°
= 98° (Angles sum of triangle)
∠y
= 360° - 98°
= 262° (Angles at a point)
Answer(s): (a) 28°; (b) 262°