多边形向量与角度动态构造
2021-07-30 15:34
本范例展示如何使用 GeoGebra 构造多边形并分析其向量与角度关系。通过 Vector、Polygon、Angle 等命令，动态生成多边形的顶点、边向量及内角（α、β、γ、δ、ε、ζ），并利用 Sequence 和 DynamicCoordinates 实现交互式几何探索。适用于学习多边形性质、向量运算及几何作图技巧。
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∠P = ∠A, ∠Q = ∠B, ∠R = ∠C。
△PQR 是否必定全等於 △ABC？ ""/>
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