In the figure, RSTU is a parallelogram and VT = VU.
- Find ∠w.
- Find ∠x.
(a)
∠RVS = ∠RSV (Isosceles triangle)
∠w
= 180° - 39° - 39° - 68°
= 34° (Interior angles)
(b)
∠RVS
= 180° - 39° - 39°
= 102° (Angles sum of triangle)
∠x
= 360° - 102°
= 258° (Angles at a point)
Answer(s): (a) 34°; (b) 258°