A leg of a triangle is one of its sides. For a right triangle, the term "leg" generally refers to a side other than the one opposite the right angle (which is termed the hypotenuse). Legs are also known as catheti.

See also

Cathetus, Hypotenuse, Triangle

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Cite this as:

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

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