FGHJ is a parallelogram. FJK and GLK are straight lines. Find the values of
- ∠q
- ∠t
- ∠s
- ∠r
(a)
∠q
= 180° - 54° - 57°
= 69° (Interior angles)
(b)
∠LFG = ∠LGF = 54° (Isosceles triangle)
∠t
= 180° - 57° - 54° - 54°
= 15° (Interior angles)
(c)
∠s
= 180° - 54° - 54°
= 72° (Isosceles triangle)
(d)
∠r = 57° (Alternate angles)
Answer(s): (a) 69°; (b) 15°; (c) 72°; (d) 57°