Question #N160
A circle has a radius of 5 units. What is the area of the circle, in square units?
A. 5π
B. 10π
C. 25π
D. 100π
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Correct Answer is: C
The area of a circle is given by the formula $A = πr^2$, where $r$ is the radius. Substituting 5 for $r$, we get $A = π(5)^2$, or $A = 25π$.