探究圆心角与圆周角的关系
2016-09-18 14:01
本范例演示了圆中圆心角与圆周角之间的几何关系（圆周角定理）。通过构造圆、圆心、圆上定点及动点，连接形成圆心角和圆周角。用户可以拖动圆上的动点，直观观察并验证同弧所对的圆心角始终等于圆周角的两倍这一经典几何性质。
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