the angle and its supplementary angle added together is 180
the supplementary angle of angle y is 180-y
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Supplementary angle of 100 is (180 - 100) = 80 degrees
Supplementary angles add up to 180 degrees
A Suplementary Angle
Yes they are both the measure of angles and complementary angles add up to 90 degrees while supplementary angles add up to 180 degrees
An angle of between 90 degrees and 180 degrees is called an obtuse angle, an angle that is exactly 180 degrees is called a straight angle (because it creates a straight line), and an angle of more then 180 degrees is called a reflex angle.