How are the interior and exterior angles of a triangle related?
2. Communicate and Justify Maggie draws a triangle with a right angle. The other two angles have equal measures. What are the possible values of the exterior angles for Maggie’s triangle? Explain.
4. What are the measures of ∠1 and ∠2? Explain.
5. What are the measures of ∠3 and ∠4? Explain.