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Pythagorean Theorem Calculator

Find the hypotenuse of a right triangle with this pythagorean theorem
hypotenuse calculator.

Leg A:
Leg B:

Fill in the lengths of both of the legs of a right triangle
to determine the hypotenuse.

What is the Hypotenuse?
The hypotenuse is the longest side of a triangle.

What is the Pythagorean Theorem?
Also known as Pythagoras' Theorem, the Pythagorean Theorem is an
equation that solves for the length of the hypotenuse of a right triangle.

To calculate the hypotenuse, use the pythagorean theorem as follows:

A2 + B2 = C2

A and B are the lengths of the legs of the triangle. C is the hypotenuse.

Right Triangle and Hypotenuse

Example: A right triangle with a length of Leg A as 50 inches and a
length of Leg B as 50 inches has a hypotenuse of:

502 + 502 = C2

C2 = 5000

C = 70.7107 inches