30.1k views
3 votes
Find the measure of the missing angle using the exterior angle sum theorm.

Find the measure of the missing angle using the exterior angle sum theorm.-example-1

1 Answer

2 votes

Answer:

85°

Explanation:

The exterior angle of a triangle is=sum of the opposite interior angles

So

? °=45°+40°

User Lenka
by
6.2k points