Question

In the following figure, find the value of x

Answer 1

x=18

Explanation:

equation: 90=2x+3x

Answer 2

18

Explanation:

All the angles added up will equal 180 degrees (recall a straight line has an angle of 180 degrees).

Therefore, you can create the following equation and solve for x:

`2x+3x+2x+3x=180\\10x=180\\x=(180)/(10)\\x=18`