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Question

If volume of sphere is 850 m3 then its radius and surface area are

A
6m, 450 m2
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B
5m, 560 m2
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C
2m, 780 m2
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D
5.88m, 434 m2
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Solution

The correct option is D 5.88m, 434 m2
Volume of Sphere =850m3=43πr3r3=850×3×74×22=202.84r=3202.84=5.88m
Surface area =4πr2=4×227×5.88×5.88434m2

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