SOLUTION: A=3.14 radius 2 with a diameter of 18??

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Question 556858: A=3.14 radius 2 with a diameter of 18??
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
um u cant have a radius of 2 if diameter is 18...
im hoping u meant
%28pi%29r%5E2=A
r=9
%2881pi%29=254.469