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三条垂直平分线的交点叫什么
更新时间: 2021-06-18 11:58:47  

1、三角形三条垂直平分线的交点叫外心,外接圆圆心,外心到三个顶点的距离是相等的;

2、三角形三条角平分线的交点叫内心,内接圆圆心,内心到三条边的距离相等;

3、三角形三条中线的交点叫重心,物理平衡时铅直线必过重心;

4、外心、重心、内心三点必然共线,而且点距离存在1:3的比例。

关键词: 垂直 平分 交点 什么

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