Answer
34.5°, 34.5°, 111°
Work Step by Step
Let the measure of one of the equal angles = x
Measure of the third angle = x + 76.5
Since sum of angles in a triangle is 180°
x + x + (x + 76.5) = 180
3x + 76.5 = 180
3x = 103.5
x = 34.5°
Third angle = (34.5) + 76.5 = 111°