A cube of metal of side 22 cm is melted and recast into a sphere of radius 2 cm .how many spheres can be made out of it ?
Chapter-volume and surface area of solids
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Step-by-step explanation:
volume of cube= a³
=22*22*22=10648
volume of sphere=4/3*πr³= 4/3*22/7*2*2*2
no. of spherical balls= volume of cube/volume of sphere=317.625
approx 316 balls
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