Calculate the circumference of a circular field whose radius is 10 centimeters.
Options:
(A) 20 π cm
(B) 19 π cm
(C) 28 π cm
(D) 25 π cm
(E) 30 π cm Now, let's think a bit. Some random thoughts:
user
Circumference C is given by
C = 2πr = 2π*10 = 20 π cm
The final answer: (A).
assistant