Question

Vertical angles have been formed by two lines. If one angle is 5x + 7 and the other is 22°, find the value of x.

Answer 1

x = 3

Explanation:

Measure of vertical angles are equal.

Therefore,

(5x + 7)° = 22°

5x + 7 = 22

5x = 22 - 7

5x = 15

x = 15/5

x = 3