Question

Question #9ee55

Answer 1

3`x` = 108

Explanation:

The total measure of the angles in a polygon is (`n-2`) 180
so a pentagon is (5-2) 180 = 540

`x+2x+3x+4x+5x` = 15`x`

540`-:` 15`x`
`x` = 36 and `3x` = 108