document.write( "Question 226043: a circle has diameter 16cm. estimate its circumfrence \n" ); document.write( "
Algebra.Com's Answer #168457 by Alan3354(69443)\"\" \"About 
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a circle has diameter 16cm. estimate its circumfrence
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\n" ); document.write( "C = 16*pi
\n" ); document.write( "C =~ 50.265 cm
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