Question

The measure of the exterior angle of the triangle is ___

Answer 1

Answer:

54°

Step-by-step explanation:

Exterior angle = sum of opposite two angles

3x + 6 = 24 + (2x + 18)

3x - 2x = 42 - 6

x = 36

therefore exterior angle is:

3 × 36 + 6

48 + 6

= 54°