Question

Find the measure of ∠x. A) 26° B) 30° C) 36° D) 39° E) 42°

Answer 1

Answer:

Step-by-step explanation:

The sum of the exterior angles of any polygon is 360 degrees.  So first we need to find the measure of the exterior angle to x.

360 - 144 - 72 = 144

144 and x are supplementary, so they add up to 180.  That means that

144 + x = 180 so

x = 36

Choice C is the one you want.