Pythagorean Theorem Calculator
In a right triangle, the square of the longest side equals the sum of the squares of the other two. Enter two sides to find the third.
Type a number and the answer appears straight away.
Your answer
Hypotenuse c10
- Area
- 24
- Perimeter
- 24
- Angles
- 53.13°, 36.87°, 90°
The math behind it: Pythagorean Theorem
a² + b² = c²
The classic example is the 3-4-5 triangle: 9 + 16 = 25. Builders use it to check that a corner is square.
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