Pythagorean Theorem Calculator
Calculate the missing side of a right triangle using the Pythagorean theorem. Find hypotenuse or leg length instantly.
How to Use This Pythagorean Theorem Calculator
- 1Select whether to find the hypotenuse or a missing side
- 2Enter the known side lengths
- 3Click Calculate to see all results
Formula
a² + b² = c² where a and b are the legs and c is the hypotenuse of a right triangle
Frequently Asked Questions
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About Pythagorean Theorem Calculator
The Pythagorean theorem states that in a right triangle, the square of the hypotenuse equals the sum of the squares of the other two sides. Use this calculator to find any missing side, plus triangle area and perimeter.