The diameter of a cylindrical tin is 4cm and height is 5 cm. Find the volume of the cylinder?  Choose the correct choice from the following options:  A) 33  B) 45  C) 20  D) 77  E) 21

Rationale: "r = 2 h = 5 π * 2 * 2 * 5 = 20 π cc answer : c"
Answer: C