230问答网 > 从里面量他的底面周长是18.84cm这个水杯能装多少立方厘米水？

从里面量他的底面周长是18.84cm这个水杯能装多少立方厘米水？

2025-03-16 17:21:43
推荐回答（1个）
回答1：

圆柱容积=底面积×高
底面积=πr²=π×(18.84÷2÷π)²=9.42²÷π=28.26平方厘米
容积=底面积×高=28.26平方厘米×15厘米=423.9立方厘米

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