SOLUTION: what is the area of a circle with the circumfrance of 20

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Question 105793: what is the area of a circle with the circumfrance of 20
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
A=pi*r^2
r=d/2
20/2=10
A=pi*10^2
A=pi*100
=314.159 ft^2
Ed