In the figure, PQRS is a parallelogram and TR = TS.
- Find ∠u.
- Find ∠v.
(a)
∠PTQ = ∠PQT (Isosceles triangle)
∠u
= 180° - 44° - 44° - 69°
= 23° (Interior angles)
(b)
∠PTQ
= 180° - 44° - 44°
= 92° (Angles sum of triangle)
∠v
= 360° - 92°
= 268° (Angles at a point)
Answer(s): (a) 23°; (b) 268°