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A metal cuboid of dimension 22cmxx15cmxx...

A metal cuboid of dimension `22cmxx15cmxx7.5cm` was melted and casted into a cylinder of height 14 cm Find its radius

Text Solution

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Volume of cuboid=Volume of cylinder
`l*b*h=pir^2h`
`22/7*r^2*14=22/7*15*7.5`
`r^2=7.5^2`
`r=7.5cm`.
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