Pythagorean Theorem Calculator
In a right triangle, a² + b² = c². Enter any two sides and leave the unknown as 0 to solve for it. The hypotenuse c is the side opposite the right angle.
Hypotenuse c5
Formula
a² + b² = c².
How to use this calculator
- Enter two known sides.
- Set the unknown to 0.
- Read the missing length.
Examples
3-4-5 triangle
√(3²+4²) = 5.
FAQ
Negative under the root?+
The hypotenuse must be longer than each leg.
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