A semicircle has a radius of 14. What is the approximate perimeter of the semicircle?	Choose the correct choice from the following options
A) 72  B) 76  C) 80  D) 84  E) 88

Rationale: "the perimeter of a circle is 2 * pi * r . the perimeter of a semicircle is 2 * pi * r / 2 + 2 r = pi * r + 2 r the perimeter is pi * 14 + 2 * 14 which is about 72 . the answer is a ."
Answer: A