document.write( "Question 209013: I need help figuring this out.
\n" ); document.write( "The area of a circle 28 square meters. What is its cicumference? (Use A=nr^2 and C=2nr to figure out the problem)
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Algebra.Com's Answer #158011 by rfer(16322)\"\" \"About 
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A=Pir^2
\n" ); document.write( "28=3.14(r)^2
\n" ); document.write( "(r)^2=28/3.14
\n" ); document.write( "r^2=8.9
\n" ); document.write( "sq rt of r=2.97
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\n" ); document.write( "C=2Pir
\n" ); document.write( "C=2(3.14)(2.97)
\n" ); document.write( "C=18.75
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