三角形的重心
2017-01-11 11:22
本范例演示了三角形重心的几何构造与性质。通过连接三角形的顶点与其对边中点作出三条中线，展示它们交于一点，即三角形的重心。重心将每条中线分为2:1的比例。该构造使用了线段、交点、对称和缩放等几何作图命令，直观地展示了重心的位置及其与三角形顶点和中点的几何关系。
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