how many spherical balls each of radius 1cm can be made from a solid sphere of lead of radius 12cm
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Number of balls made = volume of sphere of radius 12 cm /volume of sphere of radius 1 cm
Number of spherical balls = (4/3 π r^3 )/(4/3πr^3)
Number of spherical balls =(r^3)/(r^3)
Number of spherical balls =(12×12×12) /(1×1×1)
Number of spherical balls =1728 balls
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Number of spherical balls = (4/3 π r^3 )/(4/3πr^3)
Number of spherical balls =(r^3)/(r^3)
Number of spherical balls =(12×12×12) /(1×1×1)
Number of spherical balls =1728 balls
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