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十二面体的正五边形的顶角有几个

更新时间: 2020-09-17 00:00:00     

正十二面体是五个柏拉图立体之一,属准晶体,结晶学全称为正五角十二面体,共有二十个顶点、三十条边和十二个面,而每一个面皆是正五边形。哈密尔顿图的理论就是源自一个和正十二面体有趣的问题:试求一条路径,沿正十二面体的棱经过它所有的顶点。

关键词: 五边形 顶角

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