In the figure, PQRS is a parallelogram and TR = TS.
- Find ∠u.
- Find ∠v.
(a)
∠PTQ = ∠PQT (Isosceles triangle)
∠u
= 180° - 42° - 42° - 70°
= 26° (Interior angles)
(b)
∠PTQ
= 180° - 42° - 42°
= 96° (Angles sum of triangle)
∠v
= 360° - 96°
= 264° (Angles at a point)
Answer(s): (a) 26°; (b) 264°