Pythagorean Theorem Calculator
Calculate hypotenuse or legs of a right triangle using the Pythagorean theorem. Find Pythagorean triples. Free online calculator.
Right Triangle
Common Pythagorean Triples
Pythagorean Theorem
Formula: a² + b² = c²
In a right triangle, the square of the hypotenuse (the side opposite the right angle) equals the sum of squares of the other two sides.
Note: This theorem only works for right triangles (triangles with a 90° angle).
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