三角形的垂心几何构造与性质演示（一）
2020-10-13 09:58
本GeoGebra范例详细演示了三角形垂心的几何构造过程及其基本性质。通过作三角形各顶点到对边的垂线（高线），直观展示三条高线交于一点（垂心H）的几何定理。范例综合使用了线段、垂线、交点、角、多边形等基础几何作图命令，帮助学习者深入理解三角形垂心的位置特征及其在锐角、直角、钝角三角形中的变化规律，适合中学平面几何教学与探究。
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