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为什么要把圆柱体转化成长方体
更新时间: 2020-07-03 00:00:00  

目的是圆柱体可以变成体积相等的长方体长方体的体积公式等于底面积乘高,所以圆柱体积也等于底面积乘高将圆柱转化为长方体,是沿着底面直径将圆柱分成若干等份再拼成类似的长方体,长方体的高等于圆柱的高,底面的长等于圆周长的一半,宽等于半径。

关键词: 为什么 圆柱体 转化 长方体

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