Hypotenuse: the side of a triangle that is opposite the right angle
Triangle Hypotenuse Calculator -calculates legs and hypotenuse of a right triangle and draws a downloadable image of the triangle!
![Hypotenuse](../../geometry/triangles/images/right-triangles/hypotenuse.jpg)
The hypotenuse is the largest leg in in a right triangle and is always opposite the right angle. (Only right triangles have a hypotenuse)
In the triangle on the left, the hypotenuse is the side AB which is opposite the right angle, angle