UPSKILL MATH PLUS

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\(30\) circular plates, each of radius \(14 cm\) and thickness \(3 cm\) are placed one above the another to form a cylindrical solid.
 
Find :
 
(i) the total surface area \(=\)\(cm^2\)
 
(ii) volume of the cylinder so formed \(=\) \(cm^3\)