Interior angles: 5940
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any other exterior angle of the triangle * * * * * No. The sum of the two opposite interior angles.
The angles are supplementary if they have a sum of 180 degrees.
exterior angle theorem
3240 degrees
The sum of the angles of a triangle is 180 degrees. A right angle is 90 degrees. So the sum of the remaining two acute angles of a right triangle is 90 degrees.