有一个圆柱形状的水杯,从里面量,底面直径是8厘米,如果水杯里盛有15厘米深的水,这些水恰好占水杯容积的80%.这个水杯的容积是多少毫升?
人气:236 ℃ 时间:2019-11-15 06:39:50
解答
3.14×(8÷2)2×15÷80%
=3.14×16×15÷80%
=753.6÷80%
=942(立方厘米)
942立方厘米=942毫升
答:这个水杯的容积是942毫升.
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