116k views
3 votes
Find the measure of the exterior angle

Find the measure of the exterior angle-example-1
User Navarr
by
5.1k points

2 Answers

7 votes
138 degrees is the correct answer.
User Karthik Kompelli
by
5.5k points
7 votes

Answer:

x+9 + 60 = 2x

x+69 = 2x

69 = 1x

x = 69

2x = 2(69)

= 138°

User Aarelovich
by
4.5k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.