Math & Algebra
Pythagorean Theorem
Leave one side blank to solve.
Educational estimates only. Not medical, legal, tax, or financial advice.
Guide: Pythagorean Theorem
What it does
Solves for hypotenuse or a leg depending on inputs.
How to use it
Enter two known sides; leave the third blank or use the mode provided.
Formula
c = √(a² + b²) for hypotenuse c.
Example
Legs 6 and 8 → hypotenuse 10.
FAQs
What if the triangle isn’t right?
Use law of cosines instead; this tool assumes 90°.
Which side is c?
c is the hypotenuse opposite the right angle.
Integer triangles?
Pythagorean triples like 3-4-5 satisfy the relation exactly.