[tex]\sf{Area = \pi \times radius^2}\\\\Area = \pi \times 3^2\\\\Area = \pi \times 9
\\\\Area = 9\pi[/tex]
Your final answer is C. 9 pi square inches.
Area is always in square inches or centimeters. That is because the radius is 3 inches, and radius^2 will be 9 inches squared.
