B spheres of some volume are made by melting a spare with radius 10 centimetre then find the surface area each spare
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S.A.OF EACH SPHERE
=4 *22/7*10^3
=12.56*1000
=12560 m^2.
IS IT CORRECT...!
=4 *22/7*10^3
=12.56*1000
=12560 m^2.
IS IT CORRECT...!
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