Answers

2016-03-11T18:10:06+05:30
The largest possible sphere carved from a cube must have diameter = side of the cube.

∴ Diameter = 40m
∴ Radius (r) = 40/2 = 20m

∴ Surface area of sphere = 4πr² = 4*22*(20)²/7 = 5028.571 m²
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2016-03-11T18:12:10+05:30
 Diameter = 40m
∴ Radius (r) = 40/2 = 20m

∴ Surface area of sphere = 4πr² = 4*22*(20)²/7 = 5028.571 m²                                     i think this i hope it help u
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