三角形的形心
2012-06-01 02:55
本GeoGebra范例演示了三角形形心（重心）的几何构造与性质。通过绘制多边形、中点、线段及角平分线，直观展示了形心的位置特征。同时，范例利用距离命令计算并动态显示相关线段的长度，帮助学习者验证形心分中线为2:1比例的几何定理，适用于平面几何的互动教学与探究。
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