interactive
Pythagorean Theorem
a²+b²=c²
3-4-5 is the most famous Pythagorean triple. Every multiple of it (6-8-10, 9-12-15) also works.
Side a3.0
Side b4.0
Hypotenuse5.00
the squares
9.0 + 16.0 = 25.0 ✓
The Pythagorean theorem states that in a right triangle, the square of the hypotenuse equals the sum of the squares of the other two sides. It is one of the most fundamental relationships in geometry, used everywhere from construction to navigation.
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