SOLUTION: If two angles of a triangle are complementary, what is the measure of the third angle?

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Question 360465: If two angles of a triangle are complementary, what is the measure of the third angle?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!


Hi,

*Note:  the sum of angles of a triangle is 180°

If the first and second are 'complementary angles, by definition, their sum is 90°

180° - 90° = 90° (the amount left for the third angle)

Third angle is 90° 





   

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