In the figure, MNPQ is a parallelogram and RP = RQ.
- Find ∠s.
- Find ∠t.
(a)
∠MRN = ∠MNR (Isosceles triangle)
∠s
= 180° - 43° - 43° - 70°
= 24° (Interior angles)
(b)
∠MRN
= 180° - 43° - 43°
= 94° (Angles sum of triangle)
∠t
= 360° - 94°
= 266° (Angles at a point)
Answer(s): (a) 24°; (b) 266°