公切线的引入
2019-10-20 13:06
本GeoGebra范例演示了如何引入和构造圆的公切线。通过使用圆、点、切线、交点、线段、射线和垂线等基本几何命令，详细展示了公切线的几何作图过程。该课件有助于学生直观理解公切线的定义、性质及其在平面几何中的构造方法，是学习圆与直线位置关系的优质教学资源。
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