Question

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

Answer 1

Using this equation:

$4 \times + 5 \times + 135 = 180$

We can solve for X:

$9 \times + 135 = 180 \\ 9 \times = 45 \\ \times = 45$

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