Question

30 POINTS easy question

Find the measure of the exterior angle




The measure of the exterior angle of the triangle is
angle of the triangle is
º.

Answer 1

9


9x +9 = 45+5x
4x = 36
x =9

Answer 2

9

Explanation:

The exterior angle is equal to the sum of the 2 opposite interior angles, therefore:

9x + 9 = 45 × 5x

4x = 36

x = 9