SOLUTION: The area of a circle is 20 pie. Find the radius in simplest form?

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Question 2185: The area of a circle is 20 pie. Find the radius in simplest form?
Answer by longjonsilver(2297)   (Show Source): You can put this solution on YOUR website!
area = pi*r^2
20pi=pi*r^2
so r^2 = 20
r= ignoring the -ve version
r=
r=
r = 2
Jon

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