SOLUTION: The area A of a circle with a radius of r is given by the function A(r)= π r^2. Find A(7.2). Explain what A(7.2) represents. Round to the nearest hundredth.

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Question 784399: The area A of a circle with a radius of r is given by the function A(r)= π r^2. Find A(7.2). Explain what A(7.2) represents. Round to the nearest hundredth.
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
The area A of a circle with a radius of r is given by the function A(r)= π r^2. Find A(7.2). Explain what A(7.2) represents. Round to the nearest hundredth.
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A(7.2) = (pi)*7.2^2 = 162.86 square units
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Cheers,
Stan H.
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