A prismatoid having polygons with the same number of sides as bases, and faces that are parallelograms or trapezoids.
四个边相等的平行四边形；不是直角的等边平行四边形。
In this chapter, we partially solve the problem of inner radius of univalence for some parallelogram, applying the properties of extremal sets of Schwarz derivatives.
在这一章中我们利用Schwarz 导数极值集的重要性质部分的解决了几类平行四边形的单叶性内径。
The area of a parallelogram can be calculated using the formula base times height.
一个平行四边形的面积可以用底边乘以高来计算。
Opposite sides of a parallelogram are equal in length.
一个平行四边形的对边长度相等。
A rhombus is a type of parallelogram with all sides equal in length.
菱形是一种四边形，所有边的长度都相等。
The diagonals of a parallelogram bisect each other.
一个平行四边形的对角线互相平分。
The perimeter of a parallelogram is the sum of all its sides.
一个平行四边形的周长是其所有边长的总和。
A rectangle is a special type of parallelogram with all angles equal to 90 degrees.
矩形是一种特殊的平行四边形，所有角都等于90度。
The opposite angles of a parallelogram are equal in measure.
一个平行四边形的对角等角。
In a parallelogram, consecutive angles are supplementary.
在一个平行四边形中，相邻角是补角。
A square is a type of parallelogram with all sides equal in length and all angles equal to 90 degrees.
正方形是一种四边形，所有边的长度都相等，所有角都等于90度。
The sum of the interior angles of a parallelogram is always 360 degrees.
一个平行四边形内角的和总是360度。
A prismatoid having polygons with the same number of sides as bases, and faces that are parallelograms or trapezoids.
四个边相等的平行四边形；不是直角的等边平行四边形。
In this chapter, we partially solve the problem of inner radius of univalence for some parallelogram, applying the properties of extremal sets of Schwarz derivatives.
在这一章中我们利用Schwarz 导数极值集的重要性质部分的解决了几类平行四边形的单叶性内径。
The area of a parallelogram can be calculated using the formula base times height.
一个平行四边形的面积可以用底边乘以高来计算。
Opposite sides of a parallelogram are equal in length.
一个平行四边形的对边长度相等。
A rhombus is a type of parallelogram with all sides equal in length.
菱形是一种四边形，所有边的长度都相等。
The diagonals of a parallelogram bisect each other.
一个平行四边形的对角线互相平分。
The perimeter of a parallelogram is the sum of all its sides.
一个平行四边形的周长是其所有边长的总和。
A rectangle is a special type of parallelogram with all angles equal to 90 degrees.
矩形是一种特殊的平行四边形，所有角都等于90度。
The opposite angles of a parallelogram are equal in measure.
一个平行四边形的对角等角。
In a parallelogram, consecutive angles are supplementary.
在一个平行四边形中，相邻角是补角。
A square is a type of parallelogram with all sides equal in length and all angles equal to 90 degrees.
正方形是一种四边形，所有边的长度都相等，所有角都等于90度。
The sum of the interior angles of a parallelogram is always 360 degrees.
一个平行四边形内角的和总是360度。
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