scalene

例句：

1. 1. The scalene triangle is a type of triangle with three equal sides.
   等边三角形是一种有三边相等的三角形。
2. 2. In the field of mathematics, the scalene triangle is used to find the area of asquare.
   在数学领域，等边三角形被用来求正方形的面积。
3. 3. The scalene triangle has an area that is 1/4 of the area of a regular triangle of the same baseand height.
   等边三角形的面积是与同样底和高的普通三角形面积的1/4。