document.write( "Question 254550: how many sides does a polygon have if thhe sum of its interior angles is 540? \n" ); document.write( "
Algebra.Com's Answer #186895 by Alan3354(69443)\"\" \"About 
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The sum for any polygon is 180*(n-2)
\n" ); document.write( "180*(n-2) = 540
\n" ); document.write( "n-2 = 3
\n" ); document.write( "n = 5
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