The radius of a semi circle is 7 cm then its perimeter is?  Choose the correct choice from the following answers:	A) 32.8	B) 36	C) 32.1	D) 32.2	E) 32.9

Rationale: "radius = 7 cm then diameter = 14 cm 1 / 2 * 22 / 7 * 14 + 14 = 36 answer : b"
Answer: B