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51问答网 > 一个圆柱,侧面积是62.8平方厘米,高是5cm,它的体积是多少?

一个圆柱,侧面积是62.8平方厘米,高是5cm,它的体积是多少?

2025-03-15 09:54:30

推荐回答（5个）

回答1：

62.8÷5÷3.14÷2=2cm
2×2×3.14×5=62.8平方厘米

回答2：

62.8除以5=12.56厘米（底面周长）
12.56除以3.14除以2=2厘米（半径）
2的平方×3.14×5=62.8立方厘米

回答3：

2πr×5=62.8，所以r=2，底面积s=πr²=3.14×4=12.56，体积v=12.56×5=62.8cm²

回答4：

125.6 CM^3

回答5：

我擦，你问我我问谁啊

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