SOLUTION: Triangle ABC has two interior angles with measures of 102 degrees and 43 degrees. Which of the following could be the measure of an exterior angle of triangle ABC. 78 127 88 13

Question 1032039: Triangle ABC has two interior angles with measures of 102 degrees and 43 degrees. Which of the following could be the measure of an exterior angle of triangle ABC.
78
127
88
135
Answer by MaxWong(38) (Show Source): You can put this solution on YOUR website!
The third interior angle = 180 - 102 - 43 = 35 degrees
The measure of exterior angle #1 = 102 + 43 = 145 degrees
The measure of exterior angle #2 = 102 + 35 = 137 degrees
The measure of exterior angle #3 = 43 + 35 = 78 degrees <-- this is one of the 4 choices.
Therefore 78 degrees could be the measure of an exterior angle of triangle ABC.
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