supplementary
Chat with our AI personalities
The term supplementary angle is used to refer to angles whose sum is 180 degrees. This is different from complementary angles which add up to 90 degrees.
Supplementary angles add up to 180 degrees
Angles on a straight line add up to 180 degrees or the 3 interior angles of a triangle add up to 180 degrees
182
When two angles add up to 180 degrees, they are supplementary to each other.