document.write( "Question 1155788: A polygon of n sides has half of the interior angles as 150 degrees each and the rest 170 degrees each. Find the value of n \n" ); document.write( "
Algebra.Com's Answer #778449 by Alan3354(69443) You can put this solution on YOUR website! A polygon of n sides has half of the interior angles as 150 degrees each and the rest 170 degrees each. Find the value of n \n" ); document.write( "--------- \n" ); document.write( "Ext angles are 30 and 10, equal # of each \n" ); document.write( "n = 2*360/(30+10) = 18 sides \n" ); document.write( "---------- \n" ); document.write( "9*150 + 9*170 = 2880 degs interior sum \n" ); document.write( "2880 = 180*(18 - 2) as a check \n" ); document.write( " |