your own question, for FREE!
What is the sum of the degree measures of the marked angles?
Join the QuestionCove community and study together with friends!
This is the exterior angle theorem. Any given exterior angle on the vertex of a triangle is the sum of the two opp interior angles.
@ParthKohli is correct:
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
3 hours ago
30 minutes ago