Question #N899
A circle has a radius of 5 cm. What is the circumference of the circle, in terms of pi?
A. 5π
B. 10π
C. 25π
D. 50π
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Correct Answer is: B
The circumference of a circle is given by the formula C = 2πr, where r is the radius. Substituting 5 for r, we get C = 2π(5) = 10π.