find the number of all balls each radius 1cm .can be made from a solid sphere of lead of radius 6cm
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volume of sphere =volume of required number of balls
4/3πR3=4/3πr3× required balls
required balls=R3/r3
=216/1=216balls
4/3πR3=4/3πr3× required balls
required balls=R3/r3
=216/1=216balls
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