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Online Pythagorean Theorem Calculator (Math)

Right triangle: two legs a, b → hypotenuse c = √(a²+b²). Or hypotenuse c and one leg → other leg.

Frequently Asked Questions

What is the Pythagorean theorem?
In a right triangle, a² + b² = c² where c is the hypotenuse and a, b are the legs.
How to find the other leg?
Enter the hypotenuse and one leg; the other leg = √(c² - a²).

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