探究圆中弦与圆心的几何关系
2016-12-05 06:32
本范例演示了圆中弦与圆心之间的几何关系。通过构造圆、弦以及圆心到弦中点的连线，直观展示了圆心到弦的距离、弦长以及所对圆心角之间的内在联系。利用GeoGebra的动态交互功能，用户可以拖动点来改变弦的位置和长度，实时观察并测量圆心到弦的距离变化，从而深入理解垂直于弦的直径平分弦及等弦对等距等核心几何定理。适合中学生复习和探究圆的几何性质。
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