Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra

圆的面积展开的副本

Author:王有明, qianqianhouhou
拖动n分圆，拖动展开展开圆，拖动拼图拼成长方形。
通过上面操作请推导圆的面积公式。

New Resources

Discover Resources

Discover Topics