隣りん接せつ辺へん

noun

adjacent side

In geometry, the side of a right triangle that forms the angle in question, together with the hypotenuse.

• 直ちょっ角かく三さん角かく形けいの隣りん接せつ辺へんの長ながさを求もとめる。

  Find the length of the adjacent side of the right triangle.