平行四边形的面积
2011-10-01 11:48
本范例展示了平行四边形的标准图形及其经典的割补法推导面积公式的过程。通过动态演示切割与平移，帮助学生直观理解平行四边形的高与对应长方形的高之间的关系，从而推导出平行四边形的面积计算公式。适用于小学或初中几何面积教学。
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