In the figure, RTV and STU are straight lines. TR = TS and UT = UV. If ∠SRT = 53°, find
- ∠RTU
- ∠TUV
(a)
∠RTU
= 53° + 53°
= 106° (Exterior angle of a triangle)
(b)
∠UTV
= 180° - 106°
= 74° (Angles on a straight line)
∠TUV
= 180° - 74° - 74°
= 32° (Isosceles triangle)
Answer(s): (a) 106°; (b) 32°