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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Given :-
Radius of the metallic sphere = 4.2 cm
Radius of cylinder = 6 cm
To Find :-
The height of the cylinder.
Analysis :-
Volume of Sphere = Volume of Cylinder
If a solid is recast in any other solid the volume remains the same.
Solution :-
We know that,
- r = Radius
- h = Height
Let the height of cylinder be 'h'
It is given that the sphere is melted into a cylinder.
Also given,
Radius of sphere = 4.2 cm
Radius of cylinder = 6 cm
Volume of Sphere = Volume of Cylinder
Substituting them,
Therefore, the height of the cylinder is 2.74 cm
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