Question

Find x.
2x + 40
3x
4x
X + 50
x= [?]
I
Enter

Answer 1

`x = 27`

Explanation:

A shape exterior angles add up to 360.

All of these angles are exterior angles so we can add up all of them to and set it equal to 360 to find x.

`3x + 4x + 2x + 40 + x + 50`

`10x + 90 = 360`

`10x = 270`

`x = 27`