A sphere cut out from a side of 7 cm cubes.

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asked Mar 16 in Class X Maths by muskan15 (-2,337 points)

A sphere cut out from a side of 7 cm cubes. Find the volume of this sphere ? 

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1 Answer

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answered Mar 16 by navnit40 (-2,975 points)

∵   Diameter of sphere equal to sides of cube

∴  Radius of sphere = 7/2 cm

Volume of sphere = 4/3πr3

= 4/3 × 22/7 × 7/2 × 7/2 × 7/2

= 539/3 = 179.66 cm3

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