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A metallic sphere of radius 4.2 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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A metallic sphere of radius 4.2 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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Let the height of cylinder be ‘h’ cm. 

Radius of cylinder, r = 6 cm. 

i) Volume of metallic sphere,

∴ Height of cylinder is 2.74 cm.

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