quadrilateralの基本例文
The courtyard is surrounded by a quadrilateral walkway.
中庭は四角形の歩道に囲まれています。
A kite-shaped quadrilateral is called a deltoid.
凧形の四角形を台形と呼びます。
A quadrilateral has four sides, and the sum of its internal angles is 360 degrees.
四角形には4つの辺があり、内角の和は360度です。