四边形与向量的动态几何构造
2021-07-30 15:33
本GeoGebra范例演示了使用向量、多边形和动态坐标进行几何构造的方法。通过Intersect、Segment、Point、Sequence、DynamicCoordinates、Polygon、Vector等命令，构建包含多个关键点（A至G）和向量（u、v及其副本）的几何图形。范例涉及条件判断（If）与序列生成，展示四边形相关的几何性质与向量运算，适用于解析几何与几何作图的教学演示。
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<show object="true" label="false" ev="4"/>
<condition showObject="closed2 ≠ 0"/>
<objColor r="255" g="215" b="0" alpha="0.3100000023841858"/>
<layer val="0"/>
<labelMode val="0"/>
<selectionAllowed val="false"/>
</element>
</construction>
</geogebra>