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Pythagorean Theorem Calculator
Enter two sides of a right triangle to solve for the third using a² + b² = c².
How to use this tool
- 1Choose which side to solve for.
- 2Enter the other two sides.
- 3See the calculated length.
Frequently asked questions
Does this work for any triangle?+
No — the Pythagorean theorem only applies to right triangles (one 90° angle).
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