document.write( "Question 859611: a convex polygon has 20 sides, find the sum of the interior angles. \n" ); document.write( "
Algebra.Com's Answer #517846 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! S = 180(n-2)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "S = 180(20-2)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "S = 180*18\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "S = 3,240\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the sum of the interior sides is 3,240 degrees \n" ); document.write( " |