底面半径2cm高3cm求底面直径【】和圆柱的体积【】

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底面半径2cm高3cm求底面直径【】和圆柱的体积【】

底面半径2cm高3cm求底面直径【】和圆柱的体积【】
底面半径2cm高3cm求底面直径【】和圆柱的体积【】

底面半径2cm高3cm求底面直径【】和圆柱的体积【】
直径是半径的2倍,所以直径是2*2=4cm
圆柱的体积是半径的平方乘以3.14,即2*2*3.14=12.56立方厘米

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