標題:

Volume of Spheres

發問:

If the volume of a sphere is 972pi cm^3, find its surface area. (Give the answer in terms of pi) 更新: If the surface area of a sphere is 36pi cm^2, find its radius. The book's answer is 9, but I calculate 3...

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最佳解答:

Let radius be r. volume of a sphere i=972π i.e. 4/3πr3=972π 4/3 r3=972 r3=729 r=9 its surface area=4π(9)2 =324π

其他解答:FAD2A23AB937987B
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