认识圆的半径
2019-03-20 03:05
本GeoGebra数学范例用于演示和认识圆的半径概念。通过构造圆心、圆、点、直线和线段，直观展示从圆心到圆周上任意一点的距离即为半径。适合初学者理解平面几何中圆的基本性质与构成要素。
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