hy·pot·e·nuse /haɪˈpɑtṇˌus, ˌjuz/ 直角三角形之斜邊
Hy·pot·e·nuse Hy·poth·e·nuse, n. Geom. The side of a right-angled triangle that is opposite to the right angle. ◄ ►
hypotenuse n : the side of a right triangle opposite the right angle