A solid metallic hemisphere of radius 5.4 cm is melted and recast into a right circular cylinder of radius 12 cm. What is the height (in cm) of the cylinder?
A0.625
B0.729
C0.468
D0.325
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Y^2=16X ലാക്റ്റസ് റെക്ടത്തിന്റെ നീളം കണ്ടെത്തുക