document.write( "Question 1005218: How can the formula for the area of a circle be derived from the area of a polygon? \n" ); document.write( "
Algebra.Com's Answer #621560 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "http://www.mathopenref.com/circleareaderive.html\r
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\n" ); document.write( "\n" ); document.write( "https://www.math.hmc.edu/funfacts/ffiles/20009.2-3.shtml\r
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