扇形在射线上滚动
2019-02-15 09:56
本GeoGebra范例演示了扇形在射线上的滚动过程。通过运用点、射线、圆弧、角度、旋转和扇形等几何命令，动态展示了扇形沿直线滚动时的几何变换特征。该构造有助于直观理解旋转与平移的复合运动，适用于几何变换相关的数学教学与探索。
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