FGHJ is a parallelogram. FJK and GLK are straight lines. Find the values of
- ∠f
- ∠i
- ∠h
- ∠g
(a)
∠f
= 180° - 53° - 59°
= 68° (Interior angles)
(b)
∠LFG = ∠LGF = 53° (Isosceles triangle)
∠i
= 180° - 59° - 53° - 53°
= 15° (Interior angles)
(c)
∠h
= 180° - 53° - 53°
= 74° (Isosceles triangle)
(d)
∠g = 59° (Alternate angles)
Answer(s): (a) 68°; (b) 15°; (c) 74°; (d) 59°