Question

Find the value of x. 120 120 2x x x

Answer 1

75

Explanation:

If the figure is a pentagon with 5 sides, then the angles must add to 540.

120 + 120 + 2x + x + x = 540.

Solve by combining like terms and subtracting them from 540.

240 + 4x = 540

4x = 300

x = 75