EFGH is a parallelogram. EHJ and FKJ are straight lines. Find the values of
- ∠f
- ∠i
- ∠h
- ∠g
(a)
∠f
= 180° - 53° - 57°
= 70° (Interior angles)
(b)
∠KEF = ∠KFE = 53° (Isosceles triangle)
∠i
= 180° - 57° - 53° - 53°
= 17° (Interior angles)
(c)
∠h
= 180° - 53° - 53°
= 74° (Isosceles triangle)
(d)
∠g = 57° (Alternate angles)
Answer(s): (a) 70°; (b) 17°; (c) 74°; (d) 57°