Question

13) Find the values of x and y.

Answer 1

x = 64°

y = 71°

Explanation:

✔️x = 180 - 2(58) (isosceles triangle)

x = 180 - 116

x = 64°

✔️y + 45° + x = 180° (angles on a straight line)

y + 45° + 64° = 180° (substitution)

y + 109 = 180°

y = 180° - 109°

y = 71°