Question

Find the value of x and 3x.
x=
3x=

Answer 1

Explanation:

Sum of all the angles of the polygon = (n -2) *180

= (6 - 2) * 180 = 4 *180 = 720

45 + 135 + 45 + 135 + x + 3x = 720

360 + 4x = 720

4x = 720 - 360

4x = 360

x = 360/4

x = 90

3x = 3*90 = 270