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A metal cuboid of dimensions 22cm ×15cm ×7.5cm was melted and cast into a cylinder of height 14cm what is its radius ?
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A metal cuboid of dimensions 22cm ×15cm ×7.5cm was melted and cast int...
Volume of cuboid=
length x breadth x height
So volume=> 22x15x7.5=2475 c.m^3
Volume of cylinder=>πr^2h
Height of cylinder =14c.m
As volume remain same so
πr^2h =2475c.m^3
r^2x43.96= 2475c.m^3
r^2=56.3 c.m^2
r= 7.5c.m
Radius of cylinder is 7.5c.m
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A metal cuboid of dimensions 22cm ×15cm ×7.5cm was melted and cast into a cylinder of height 14cm what is its radius ?
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