SOLUTION: Rearrange the formula A=4pi r square to make r the subject

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Question 706447: Rearrange the formula A=4pi r square to make r the subject
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
A=4pi r^2
r^2=A/4pi
r=sqrt(A/4pi)
r=1/2sqrt(A/pi) ans.