天气预报 > 教育 > 立方体一共有几个面
立方体一共有几个面
更新时间: 2021-03-09 04:38:21  

1、几何图形立方体,也称正方体,是由6个正方形面组成的正多面体,故又称正六面体。它有12条边和8个顶点。其中正方体是特殊的长方体。

2、立方体有11种不同的展开图,即是说,我们可以有11种不同的方法切开空心立方体的7条棱而将其展平为平面图形。如果我们要将立方体涂色而使相邻的面不带有相同的颜色,则我们至少需要3种颜色。

关键词: 立方体 共有

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