斜しゃ辺へん

noun

hypotenuse; oblique side

In geometry, the side opposite the right angle in a right triangle. Also used more generally for an oblique line or side in other contexts.

• 直ちょっ角かく三さん角かく形けいの斜しゃ辺へんは最もっとも長ながい辺へんです。