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V圓柱=底面積×高=π(無特殊說明的話保留π)×r平方(r=底面半徑)×h(高) 前面幾個的沒有半徑平方,只寫了×半徑,應該是×半徑的平方 然後你把高2米,體積10立方米代入進去就好了, 得到:2×√〔10÷2÷(3.14)〕 =2×√1.59235669 =2×1.262 =2.524米. 所以,圓柱的直徑就是2.524米. 很高興能幫到你,也請你採納,謝謝.
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