Solve the Problem $\mathrm { r }$ Is Given by the Function

question 28

Multiple Choice

Solve the problem.
-The area of a circle with radius $\mathrm { r }$ is given by the function $\mathrm { A } ( \mathrm { r } ) = \pi \mathrm { r } ^ { 2 }$ . Find the area of the base of a circular storage tank if the radius is 4 feet long. Use $\pi = 3.14$ .

• A) \(25.12\) square feet
• B) \(12.56\) square feet
• C) \(50.24\) square feet
• D) 48 square feet

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