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圆柱周长怎么求
更新时间: 2020-10-31 00:00:00  

圆柱周长的算法圆的周长=圆周率×2×半径c=2πr,其中r为半径,π是圆周率,所谓圆柱的周长,是指圆柱底面(截面)的周长,圆柱的底面是一个圆。

如果用垂直于轴的两个平面去截圆柱面,那么两个截面和圆柱面所围成的几何体叫做直圆柱.圆柱体,简称为圆柱。

关键词: 圆柱 周长 怎么

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