ADVANCED EXERCISES

(3) 
 (a) Given a one-litre cylinder can, express its surface area as a 
     function of its radius.

 (b) Given a cylinder can of volume V, express its surface area as a 
     function of its radius.

HINT:

Note: 1L = 1000 mL; 1 mL = 1 cm3

Volume of a cylinder: V = r2h