SOLUTION: What is the exact area of a circle with a diameter of 23 inches?

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Question 479859: What is the exact area of a circle with a diameter of 23 inches?
Answer by cleomenius(959) About Me  (Show Source):
You can put this solution on YOUR website!
The formula for the area of a circle is A = pi r^2
So, you're radius is 11.5.
The result is 132.25 pi.
Cleomenius.