点和圆的位置关系
2014-10-26 10:43
本GeoGebra范例动态演示了点与圆的位置关系。通过计算并比较圆心到点的距离（d）与圆的半径（r），直观展示点在圆内、圆上和圆外三种情况。界面包含距离计算、线段构造及文本提示，帮助学习者深入理解点与圆的位置判定定理。
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