A cube of 9cm edge is immersed complete...

A cube of `9cm` edge is immersed completely in a rectangular vessel containing water. If the dimensions of the base are `15 c ma n d12 c mdot` Find the rise in water level in the vessel.

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Volume of cube=`a^3`
Volume of cube=`(9cm)^3`
`=729cm^3`
Volume of water risen=`15*12*hcm`
`15*12*h=729`
`h=4.05cm`.

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