圆的切线
2019-10-29 14:35
本范例演示了圆的切线的几何构造与性质。通过给定点、圆以及相关的交点、角平分线和正交线，展示了如何构造圆的切线，并计算和显示相关线段（如AE和EC）的距离。适用于学习平面几何中圆的切线性质及基本几何作图方法。
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