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80厘米的围长2米2求它的直径是多少面积是多少

2025年04月07日 06:37

有2个网友回答

网友（1）：

80厘米的围长，高2米2，它的直径是80÷3.1415≈25.46厘米，面积是2.2×0.8=1.76平方米。

网友（2）：

解：周长2.20米，直径=0.70米，表面积=0.785x0.49x2十0.8x3.14x0.7=2.53平方米。

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