Question #N707
A circle has a radius of 5 centimeters. What is the circumference of the circle in centimeters? (Express your answer in terms of \pi.)
A. 5\pi
B. 10\pi
C. 25\pi
D. 50\pi
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Correct Answer is: B
The circumference of a circle is given by the formula C = 2\pi r, where r is the radius of the circle. Substituting 5 for r, we get C = 2\pi(5) = 10\pi.