SOLUTION: Two angles of a triangle have measures of 70 degrees and 85 degrees. Which of the following is NOT the measure of an exterior angle of the triangle? 1) 110 degrees 2) 155 degr

Algebra ->  Triangles -> SOLUTION: Two angles of a triangle have measures of 70 degrees and 85 degrees. Which of the following is NOT the measure of an exterior angle of the triangle? 1) 110 degrees 2) 155 degr      Log On


   

Question 389742: Two angles of a triangle have measures of 70 degrees and 85 degrees. Which of the following is NOT the measure of an exterior angle of the triangle?
1) 110 degrees
2) 155 degrees
3) 105 degrees
4) 95 degrees
Found 2 solutions by rfer, richard1234:
Answer by rfer(16322) About Me  (Show Source):
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
The third interior angle measures 25. Therefore the exterior angles are 110, 95, and 155 (subtract each interior angle from 180). So choice 3) is not an exterior angle.