如果圆柱正方体和长方体的底面周长和高都相等,谁的体积最大?我想要详解呵呵
如果圆柱正方体和长方体的底面周长和高都相等,谁的体积最大?我想要详解呵呵
数学人气:701 ℃时间:2019-08-21 13:48:10
优质解答
高相等的情况下底面积大的体积就大,所以我们首先要证明周长相等的圆、正方形长方形它们之间的面积关系,首先设周长为C圆的面积为3.14×(C÷3.14÷2)²=C²÷12.56正方形的面积为(C÷4)²=C²÷16另...
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