Pythagorean Theorem Calculator

Find a, b or the hypotenuse c in a² + b² = c².

Result

c (hypotenuse)5
Perimeter12

Pythagorean Theorem Calculator — FAQs

Pythagorean theorem?

In a right triangle, a² + b² = c². 3-4-5 is the classic triple: 9 + 16 = 25.

What is the Pythagorean theorem?

a² + b² = c² for right-angled triangles — the hypotenuse squared equals the sum of the legs squared.

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