Hypotenuse calculator: How to calculate the hypotenuse of a triangle

You can calculate the hypotenuse of a triangle to use the command hypot with two values. If you input hypot 3 4 in the form above, the calculator shows 5.0 in the screen like this.

What is a hypotenuse?

The hypotenuse is the longest side of a right triangle or its length. If other sides are 3cm and 4cm, Pythagorean theorem shows the hypotenuse is 5cm.

$\sqrt{3^2 + 4^2} = 5$