Supplementary Angles


Two angles alpha and beta for which alpha+beta=pi are said to be supplementary. In other words, alpha and beta are supplementary angles if they produce a straight angle when combined.

See also

Angle, Complementary Angles, Digon, Straight Angle Explore this topic in the MathWorld classroom

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Cite this as:

Weisstein, Eric W. "Supplementary Angles." From MathWorld--A Wolfram Web Resource.

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