| 单词 | right triangle |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Pythagorean theorem〕The theorem that the sum of the squares of the lengths of the sides of a right triangle is equal to the square of the length of the hypotenuse.勾股定理：定理：直角三角形的两条直角边的平方和等于斜边的平方和美国传统〔cosecant〕The reciprocal of the sine of an angle in a right triangle.余割：直角三角形中一个角正弦的倒数美国传统〔cosine〕In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse.余弦：直角三角形锐角边的边长与叙边的比美国传统〔cotangent〕The reciprocal of the tangent of an angle in a right triangle.余切：直角三角形中角的正切的倒数美国传统〔hypotenuse〕The side of a right triangle opposite the right angle.斜边，弦：直角三角形中与直角相对的那条边美国传统〔leg〕Mathematics Either side of a right triangle that is not the hypotenuse.【数学】 直角边：直角三角形除斜边之外的两条边的任意一条美国传统〔revolution〕Revolution of a right triangle about one of its legs generates a cone.直角三角形绕一直角边旋转即成锥形。英汉大词典〔secant〕The reciprocal of the cosine of an angle in a right triangle.正割：直角三角形中一个角正弦的倒数美国传统〔sine〕In a right triangle, the ratio of the length of the side opposite an acute angle to the length of the hypotenuse.正弦：在一个直角三角形中，锐角所对边长度与斜边长度之比美国传统 |
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