document.write( "Question 781385: How many diagonals can be drawn in the interior of a regular polygon if one of its exterior angles contain 60 degrees? \n" ); document.write( "
Algebra.Com's Answer #475894 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How many diagonals can be drawn in the interior of a regular polygon if one of its exterior angles contain 60 degrees? \n" ); document.write( "------- \n" ); document.write( "Sum of exterior angles = 360 degrees. \n" ); document.write( "# of exteror angles = # of sides = 360/60 = 6 \n" ); document.write( "--------- \n" ); document.write( "# of sides + # of diagonals:: 6C2 = 15 \n" ); document.write( "---- \n" ); document.write( "# of diagonals = 15-6 = 9 \n" ); document.write( "========== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |