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Pythagorean Theorem Calculator

Solve right triangles using the Pythagorean theorem. Find any side: a²+b²=c².

a² + b² = c²
Result
Side a
Side b
Hypotenuse c
Area
Perimeter
Angle A
Angle B

Pythagorean Theorem

In a right triangle: a² + b² = c² where c is the hypotenuse (longest side). Leave ONE field blank to solve for it. Famous triple: 3-4-5.

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