document.write( "Question 150864This question is from textbook
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document.write( ": The sum of the measures of the interior angles of a polygon is between 2100 and 2400. how many sides does a polygon have? \n" );
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Algebra.Com's Answer #110776 by mangopeeler07(462)![]() ![]() ![]() You can put this solution on YOUR website! sum of measures of interior angles= \n" ); document.write( "180(n-2)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "set it equal to 2100 and 2400\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "180(n-2)=2100 \n" ); document.write( "180n-360=2100 \n" ); document.write( "180n=2460 \n" ); document.write( "n=13.6667\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "180(n-2)=2400 \n" ); document.write( "180n-360=2400 \n" ); document.write( "180n=2760 \n" ); document.write( "n=15.3333\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ".5 or over round up \n" ); document.write( "less than .5 round down\r \n" ); document.write( "\n" ); document.write( "n=14 or 15\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The polygon has 14 or 15 sides. \n" ); document.write( " |