在平行四边形中，对角相等。

In a parallelogram, opposite angles are equal.

矩形是一种特殊的平行四边形。

A rectangle is a special type of parallelogram.

平行四边形的对角线互相平分。

The diagonals of a parallelogram bisect each other.

平行四边形的对边长度相等。

A parallelogram has opposite sides that are equal in length.

这个图形看起来像一个平行四边形。

This shape looks like a parallelogram.

平行四边形的对边是平行且相等的。

The opposite sides of a parallelogram are parallel and equal.

画一个平行四边形需要使用直尺和量角器。

Drawing a parallelogram requires a ruler and a protractor.

我们在几何课上学习了平行四边形的性质。

We learned about the properties of a parallelogram in geometry class.

这个数学题要求我们计算平行四边形的面积。

This math problem asks us to calculate the area of a parallelogram.

你可以通过底乘以高来计算平行四边形的面积。

You can calculate the area of a parallelogram by multiplying the base by the height.