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 Related Terms
 Hypotenuse:  In a right triangle, the side opposite to the right angle.
Right Angle: An angle that measures exactly 90 degrees.
Right Triangle: A triangle with exactly one right angle.
Leg of a Triangle: Either of the two shorter sides of a right triangle. These two sides together form the right angle in the right triangle.
Pythagorean Theorem: A theorem that states that in a right triangle, the square of the length of the hypotenuse equals the sum of the squares of the lengths of the legs.