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Complementary angles are two angles with a sum of 90Âº. Supplementary angles are two angles with a sum of 180Âº. Vertical angles are two angles whose sides form two pairs of opposite rays. We can think of these as opposite angles formed by an X. The Lesson:
Best Answer: Supplementary angles are two angles that add up to 180 degrees exactly. To find the supplement of an angle, subtract the current angle from 180. The remaining number is the remaining degrees in the other angle. You will get 118 degrees, which is your supplement. In case you were wondering, a set of complementary angles are two that add up to 90 degrees.