The radius of a semi circle is 14 cm then its perimeter is?
Choose the correct choice from the following answers:
A) 32.8	B) 32.4	C) 72	D) 32.2	E) 32.9

Rationale: "diameter = 28 cm 1 / 2 * 22 / 7 * 28 + 28 = 72 answer : c"
Answer: C