document.write( "Question 519512: interior angle of a regular polygon is 20 more than 3x the measure of its exterior angle. find the number of sides \n" ); document.write( "
Algebra.Com's Answer #345675 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! x + 3x + 20 = 180 \n" ); document.write( "x = 40 degs exterior angle \n" ); document.write( "n = 360/40 = 9 sides \n" ); document.write( " \n" ); document.write( " |