平面截圆锥的几何构造与圆锥曲线演示
2019-11-09 14:48
本 GeoGebra 范例演示了平面截圆锥的几何过程。通过 InfiniteCone 命令生成无限圆锥，并利用 Plane 和 IntersectPath 命令展示平面与圆锥相交的截线。该构造直观揭示了圆锥曲线（椭圆、抛物线、双曲线）的形成原理，是立体几何与解析几何结合的经典教学案例，适合用于探究截面角度与曲线类型之间的关系。
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