A metallic sphere of radius 9 cm is melted and recast into the shape of a cylinder of radius 6 cm find the height of the cylinder
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Radius of sphere = 9cm
volume of sphere = 4/3πr³
=4/3×22/7×9×9×9
= 3054.85cm³
Radius of cylinder = 6cm
volume of cylinder = volume of sphere
πr²h = 3054.85
π × 6×6 × h = 3954.85
πh = 3954.85/36
πh = 84.85
h = 84.85 × 7/22
h = 26.9cm
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