变化的三角形的旁心
2019-12-29 04:49
本GeoGebra范例演示了动态三角形旁心的几何构造与变化规律。通过角平分线及相关几何作图命令，精确作出三角形的旁切圆圆心（旁心）。用户可以通过拖动顶点观察三角形形状改变时，旁心位置的动态变化与几何性质，适用于平面几何中三角形特殊点及旁切圆相关定理的直观教学与探究。
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