复数： hypotenuses

You need the lenght of the hypotenuse .

你需要知道三角形斜边的长度。

What was it ? Same as the square root of a hypotenuse !

那是什么?跟直三角形的斜边相同!

Make sure that the program finds a right triangle , regardless of which side is the hypotenuse .

确保程序能够识出直角三角形，不论哪个边是斜边。

Right-angle mirrors are made from right-angle prisms by applying an enhanced al coating on the hypotenuse of the prism .

直角镜子由在棱柱的斜边上使用提高的涂层由直角棱柱制造。