aa metallic sphere of radius 4.2 cm is melted and recast into the shape of cylinder of radius 6 cm find the height of the cylinder.
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Step-by-step explanation:
r of metallic sphere=4.2cm
R of cylinder =6.0cm
volume of sphere =volume of cylinder
2÷3×22÷7×4.2×4.2×4.2=22÷7×6×6×h
2÷3×22÷7×4.2×4.2×4.2×7÷22×1÷6×1÷6=h
0.32cm=h
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