Question

What is the measure of x

Answer 1

156°

Explanation:

the total internal angle of a triangle in 180°
so,

180 - (85 + 71)
= 24°

this is the internal angle, to find the external angle subtract this value from 180
so,

180 - 24
= 156° (answer)

Answer 2

answer: 156

explanation: just add the interior angles to get the exterior