动圆与两定圆的内外切轨迹探究
2021-01-07 02:30
本GeoGebra范例演示了动圆与两个定圆分别保持外切和内切关系时的几何性质与轨迹。通过构造点、圆、交点、椭圆、线段和射线等对象，用户可以直观地观察动圆圆心的运动轨迹（如椭圆或双曲线），并深入理解圆锥曲线的几何定义及圆与圆相切的解析几何条件。适合用于高中解析几何与几何作图的教学与探究。
所属专题
GeoGebra圆锥曲线互动学习资源
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