posted by Anonymous on .
The measure of a third angle in an isosceles triangle is 82.5 more than the measure of the two equal angles. whats the angle of the third.
Let A be one of the two equal angles, abd B be the apex angle.
2A + B = 180
A - B = 82.5
3A = 262.5
A = 87.5
B = 5 degrees is the "third angle"