3. Calculate the area of the cylindrical drum

The height and the base radius of a cylindrical drum is 22 \(cm\) and 14 \(cm\). Calculate the curved surface area and the total surface area of the cylinder. (Use \(\pi=\frac{22}{7})\)

 

 

(i) Curved surface area of the drum \(=\)  \(cm^2\)

 

(ii) Total surface area of the drum \(=\)  \(cm^2\)