三角形内心与角平分线的几何构造与观察
2013-11-19 13:02
本范例演示了三角形内心与内切圆的几何构造过程。通过绘制三角形的角平分线，找到它们的交点即为内心。接着，从内心向三角形的边作垂线，以垂线段长度为半径绘制内切圆。该构造直观地展示了角平分线交于一点的性质，以及内心到三角形三边距离相等的几何特征，适合用于平面几何的教学与探索。
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