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oh and

Required A. radious of the cylinder is B. there is no change in radious due to change in height.

Step-by-step explanation:

Given volume of the cylinder is 728, that is we know for a cylinder with height h and radious r, volume V is,

A. To find radious of the cylinder :

which is the required radious.

B. To find change of radious due to change in height :

If the height h of the cylinder change to then radious,

From (1) we get,

Squaring both side we get,

Which shows that change of height dosen't effect on radious.