MNPQ is a parallelogram. MQR and NSR are straight lines. Find the values of
- ∠n
- ∠r
- ∠q
- ∠p
(a)
∠n
= 180° - 52° - 56°
= 72° (Interior angles)
(b)
∠SMN = ∠SNM = 52° (Isosceles triangle)
∠r
= 180° - 56° - 52° - 52°
= 20° (Interior angles)
(c)
∠q
= 180° - 52° - 52°
= 76° (Isosceles triangle)
(d)
∠p = 56° (Alternate angles)
Answer(s): (a) 72°; (b) 20°; (c) 76°; (d) 56°