相似多边形：缩放变换的性质观察
2014-09-24 07:01
本 GeoGebra 范例演示了多边形在缩放变换（位似变换）下的几何性质。通过构造多边形及其缩放后的对应图形，用户可以观察对应边长比例、对应角大小以及面积比与缩放因子之间的关系。该动态模型有助于直观理解相似多边形的定义与核心性质，适用于初中或高中几何教学。
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