A solid lead ball of radius 6 cm is melted and then drawn into a wire of diameter 0.2 cm. Find the length of the wire?
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it may be 7200cm
volume of square equals to volume of cylinder
πr2h= (4/3)πr3
π*0.2*0.2*h=4/3π*6*6*6
h=7200cm
volume of square equals to volume of cylinder
πr2h= (4/3)πr3
π*0.2*0.2*h=4/3π*6*6*6
h=7200cm
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