document.write( "Question 403149: how do you find the number of sides of a polygon if the interior angles measure 140 degrees \n" ); document.write( "
Algebra.Com's Answer #285098 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! The exterior angles are 40º (180 - 140) \n" ); document.write( "The sum of ext angles of ALL polygons = 360º \n" ); document.write( "360/40 = 9 sides \n" ); document.write( " \n" ); document.write( " |