In the diagram, ooooo and RS//TU
calculate y
calculate y
- A.
102o - B.
78o - C.
70o - D.
60o
Correct Answer: Option A
Explanation
50 + 60 + (2x + 3x) = 180o(Angles in a triangle)
110 + 5x = 180o
5x = 180o – 110 = 70o
x = (frac{70}{5}) = 14o
Also y + 50 + 2(14) = 180o
y + 50 + 28 = 180o
y = 180 – 78
y = 102o