一个圆柱形的沙堆,底面积是28.26平方米,高是2.5米,用这堆沙子在10米宽的路上铺2厘米厚的路面,能铺多少米?
人气:212 ℃ 时间:2019-10-19 14:54:51
解答
2厘米=0.02米,
沙堆的体积:
28.26×2.5=70.65(立方米);
能铺路面的长度:
70.65÷(10×0.02)
=70.65÷0.2
=353.25(米).
答:能铺353.25米.
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