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什么叫做体对角线啊
更新时间: 2020-09-23 00:00:00  

1、体对角线是立体图形里的对角线。

2、先取上表面的面对角线,计算,得到,根号2倍棱长这根面对角线和它相交的棱,又可以组成一个直角三角形,而这个直角三角形的斜边就是体对角线。

3、对角线,几何学名词,定义为连接多边形任意两个不相邻顶点的线段,或者连接多面体任意两个不在同一面上的顶点的线段。

关键词: 什么 叫做 对角线

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