UVWX is a parallelogram. UXY and VZY are straight lines. Find the values of
- ∠a
- ∠d
- ∠c
- ∠b
(a)
∠a
= 180° - 53° - 59°
= 68° (Interior angles)
(b)
∠ZUV = ∠ZVU = 53° (Isosceles triangle)
∠d
= 180° - 59° - 53° - 53°
= 15° (Interior angles)
(c)
∠c
= 180° - 53° - 53°
= 74° (Isosceles triangle)
(d)
∠b = 59° (Alternate angles)
Answer(s): (a) 68°; (b) 15°; (c) 74°; (d) 59°