Maths & numbers
Pythagorean calculator
Find the hypotenuse of a right-angled triangle.
A clear answer. Here’s how.
For a right-angled triangle, c = √(a² + b²). The area is ab/2. Enter the two perpendicular sides using the same unit.
See a worked example
Worked example
A fixed demonstration, separate from the values you enter above.
- Shorter side a
- 3
- Shorter side b
- 4
Example result
- Hypotenuse
- 5
- Area (square units)
- 6