The Pythagorean Theorem
For any right triangle: a² + b² = c², where c is the hypotenuse (longest side, opposite the right angle).
Pythagorean Theorem Calculator
a² + b² = c² — enter any two sides to find the third.
c (hypotenuse) =
5
Area
0
Perimeter
0
Step-by-Step
Common Pythagorean Triples
3, 4, 5 5, 12, 13 8, 15, 17 7, 24, 25
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