初探九点圆
2015-09-02 11:58
本范例演示了三角形九点圆的几何构造过程。九点圆经过三角形三边中点、三条高的垂足以及顶点到垂心线段的中点。通过GeoGebra的直线、垂线、交点和圆等工具，直观展示了这九个特殊点的确定方法及其共圆的几何性质，帮助深入理解三角形的重要几何特征。
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