Question

Find the measure of angle A.
4x
135°
5x
A

Answer 1

Using this equation:

`4 * + 5 * + 135 = 180`

We can solve for X:

`9 * + 135 = 180 \\ 9 * = 45 \\ * = 45`

Multiply this value of x to 4 and 5 to get the other two angels.