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长方体有几条长几条宽几条高

更新时间: 2020-10-23 00:00:00     

长方体有四条长,四条宽,四条高。长方体(又称矩体,cuboid)是底面为长方形的直四棱柱。由六个面组成,相对的面面积相等,而且可能有两个面是正方形。

在几何中,长方形(又称矩形)定义为四个内角相等的四边形,即是说所有内角均为直角。从这个定义可以得出矩形两条相对的边等长,也就是说矩形是平行四边形。

关键词: 长方体

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