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15问答网 > 一个圆柱的底面半径是5厘米,侧面展开图是一个正方形。圆柱的体积是多少立方厘米

一个圆柱的底面半径是5厘米,侧面展开图是一个正方形。圆柱的体积是多少立方厘米

2025-03-15 08:57:14

推荐回答（4个）

回答1：

,侧面展开图是一个正方形高＝底面周长

高是5x2x3.14=31.4厘米
体积 5x5x3.14x31.4=2464.9立方厘米

回答2：

3.14*5*2=31.4cm² 3.14*5²=78.5cm² 78.5*31.4=2464.9cm³

呵呵，我可是数学题精英

回答3：

3.14×5²×（3.14×2×5）=

回答4：

搞错

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