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用一个高是30cm的圆锥形容器装满水,倒入和它等底等高的圆柱体中,水的高度是( ) A.10cm B.90
用一个高是30cm的圆锥形容器装满水,倒入和它等底等高的圆柱体中,水的高度是( ) A.10cm B.90
2025-03-16 15:45:42
推荐回答(1个)
回答1:
设圆锥的底面积是s,
水的体积为:
1
3
s×30=10s(立方厘米),
水面的高度:10s÷s=10(厘米);
答:水的高度是10厘米.
故选:A.
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