Question #N104
A circle has a radius of 5 units. What is the area, in square units, of the circle?
A. 5\pi
B. 10\pi
C. 25\pi
D. 100\pi
Correct Answer is: C
The area of a circle is given by the formula A = \pi r^2, where r is the radius. Substituting 5 for r, we get A = \pi (5)^2 = 25\pi.