Pythagorean Theorem Calculator
Enter two known sides of a right triangle to find the third.
Formula
a² + b² = c², where c is the hypotenuse
Example
Legs of 3 and 4 give a hypotenuse of 5.
Frequently Asked Questions
- Does this only work for right triangles?
- Yes, the Pythagorean theorem applies specifically to right triangles. For any triangle, use the Triangle Calculator instead.
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