A protractor is nused to measure angles in degrees.
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the supplement of an 82 degrees angle would be 98 degrees. To find the supplement of an angle, take the degrees of the angle you were given and subtract it from 180.
179 degrees
Angle 1 = 30 degrees Angle 2 = 50 degrees Angle 3 = 100 degrees.
A supplementary angle will add up to 180 degrees so to find the supplementary angle of 179 degrees, you would take 180-179 to get a 1 degree angle.
Each interior angle: 140 degrees Each exterior angle: 40 degrees