In the figure, RTV and STU are straight lines. TR = TS and UT = UV. If ∠SRT = 52°, find
- ∠RTU
- ∠TUV
(a)
∠RTU
= 52° + 52°
= 104° (Exterior angle of a triangle)
(b)
∠UTV
= 180° - 104°
= 76° (Angles on a straight line)
∠TUV
= 180° - 76° - 76°
= 28° (Isosceles triangle)
Answer(s): (a) 104°; (b) 28°