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.

Algebra ->  Circles -> 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.      Log On


   



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) About Me  (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.
----------
A(7.2) = (pi)*7.2^2 = 162.86 square units
-------------------
Cheers,
Stan H.
============