How it works
In a right triangle the area of the square on the hypotenuse equals the sum of the squares on the legs.
a² + b² = c²
When to use
Use this tool when you need to: leave c blank with a=3, b=4 to get c=5. Try 5-12-13 to verify a triple.
How to use this tool
- Enter your values in the fields above.
- Review the formula and any mode options for your problem.
- Read the result and the step-by-step solution.
Leave c blank with a=3, b=4 to get c=5. Try 5-12-13 to verify a triple.
Frequently asked questions
- What is the Pythagorean Theorem Calculator?
- In a right triangle the area of the square on the hypotenuse equals the sum of the squares on the legs.
- How do I use the Pythagorean Theorem Calculator?
- Enter the required values, then calculate. The Pythagorean Theorem Calculator shows results, formulas, and step-by-step work when available. No account is required.
- What formula does the Pythagorean Theorem Calculator use?
- a² + b² = c²
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