In the figure, SUW and TUV are straight lines. US = UT and VU = VW. If ∠TSU = 54°, find
- ∠SUV
- ∠UVW
(a)
∠SUV
= 54° + 54°
= 108° (Exterior angle of a triangle)
(b)
∠VUW
= 180° - 108°
= 72° (Angles on a straight line)
∠UVW
= 180° - 72° - 72°
= 36° (Isosceles triangle)
Answer(s): (a) 108°; (b) 36°