document.write( "Question 270447: What is the measure of an interior angle of a regular 9-gon? \n" ); document.write( "
Algebra.Com's Answer #198144 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! What is the measure of an interior angle of a regular 9-gon? \n" ); document.write( "----------------------- \n" ); document.write( "Fact: The sum of the exterior angles is 360 degrees. \n" ); document.write( "In a 9-gon each exterior angle is 360/9 = 40 degrees \n" ); document.write( "Each corresponding interior angle is 180-40 = 140 degrees \n" ); document.write( "====================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |