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Legs of a Right Triangle
See It in Action
Two examples of the idea done right—and one common look-alike that is not right.
EXAMPLE
EXAMPLE
NON-EXAMPLE
Definition
In a right triangle, the legs are the two sides that form the right angle (90 degrees). These are the two shorter sides of the triangle. The third side, which is opposite the right angle, is called the hypotenuse.

Legs: The two sides that are adjacent to the right angle.
Hypotenuse: The side opposite the right angle and the longest side of the triangle.
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