师：已知平行四边形的底和高，就可以求出它的面积。

Teacher: We can work out the area of a parallelogram if we know the base and height of it.

youdao

师：已知平行四边形的底和高，就可以求出它的面积。

Teacher: We can work out the area of a parallelogram if we know the base and height of it.

youdao