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CBSE Class 10 Answered

Related to surface area and volume.
Asked by | 13 May, 2010, 03:22: PM
answered-by-expert Expert Answer

Surface area of sphere = 4πR2 = 616

R = (616x7/(22x4)) = 7 cm.

Volume of sphere = 4πR3/3 = 4312/3.

The volume of the sphere will now be the volume of cone,

Volume of cone = πR2H/3 = 4312/3

R = (4312x7/(22x28)) = 7 cm.

Hence the diameter of cone base is 7x2 = 14 cm.

Regards,

Team,

TopperLearning.

Answered by | 17 May, 2010, 06:27: PM
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