Question

Need help to figure out how to solve for x

Answer 1

31.64°

Explanation:

Since these angles are on a straight line, we know that these 2 angles add up to 180. So we can make an equation:

`180 = (3x-9)+(2.5x+15)`

`180 = 5.5x+6`

`174 = 5.5x`

x=
`(174)/(5.5)`

x= 31.64°( to 2 d.p.)