12 spheres of the same size are made by melting a solid cylinder of 12cm diameter and 12cm height. The Diameter of each sphere is.
Diameter =12cm, r = 6cm Volume of 12 spheres = Volume of cylinder 12×4/3× πR3 = π ×82×2 R3 = (36 ×12×3)/12×4 =27cm r= 3cm. Diameter = 2×3 =6cm
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