Question

how to find the exterior angle of the triangle​

Answer 1

Step-by-step explanation:

A+B+C=180

85+57+C=180

142+C=180

C=180-142

C=38

Now,

exterior angle+C=180

exterior angle+38=180

exterior angle=180-38

exterior angle=152

Answer 2

Answer:

142

Step-by-step explanation:

Exterior angle= ∠A + ∠B

x=85 + 57 =

142 Degrees