Pythagorean Theorem Calculator
Find the hypotenuse of a right-angled triangle from its two shorter sides (legs).
Show solution steps
What is the Pythagorean Theorem Calculator?
The Pythagorean theorem relates the sides of a right triangle: the square of the hypotenuse equals the sum of the squares of the other two sides. It's one of the most useful results in geometry.
How to Calculate
c = √(a² + b²), where a and b are the legs and c is the hypotenuse.
Formula
a² + b² = c²
How to Use
- Enter your details in the fields above.
- The result updates instantly as you type.
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Frequently Asked Questions
What is a right triangle?
A right triangle has one 90u00b0 angle. The side opposite that angle u2014 the longest side u2014 is the hypotenuse.
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