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题目内容
The figure above shows the interior of a propane tank in the shape of a right circular cylinder with a hemisphere at each end. The diameter of the cylinder is 60 centimeters, and the total length of the interior of the tank is 210 centimeters. The tank is filled with propane to 80 percent of its capacity. If the cost of the propane is $0.60 per liter, approximately what is the cost of the propane in the tank?
(Note: 1 liter=1,000 cubic centimeters. The volume of a sphere of radius r is $$\frac{4}{3}πr^{3}$$.)
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· 相关考点
4.6.4 圆球体 4.6.2 圆柱体
[相关术语] • sphere 球体 [核心考点] • 球体的体积公式:V=(4/3)·πr^3
4.6.2 圆柱体
以上解析由 考满分老师提供。