Calculate the circumference of a circular field whose radius is 8 centimeters.
Options:
(A) 18 π cm
(B) 1 π cm
(C) 8 π cm
(D) 19 π cm
(E) 28 π cm Now, let's think a bit. Some random thoughts:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Circumference C is given by
C = 2πr = 2π*9 = 18 π cm
The final answer: (A).