document.write( "Question 256207: if the sum of nine angles of a decagon is 1350 degrees, how large is theh tenth angle? \n" ); document.write( "
Algebra.Com's Answer #188374 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The sum of the interior angles of any n-gon is given by:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute 10 for n, do the arithmetic, then subtract 1350, the sum of 9 of the angles, from the sum of all ten to get the measure of the last one.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |