document.write( "Question 491952: How many diagonals are there in a regular polygon of n sides? \n" ); document.write( "
Algebra.Com's Answer #334870 by stanbon(75887) ![]() You can put this solution on YOUR website! How many diagonals are there in a regular polygon of n sides? \n" ); document.write( "----------------- \n" ); document.write( "There are n vertices \n" ); document.write( "# of line segments determined is nC2 = (n/2)(n-1) \n" ); document.write( "--- \n" ); document.write( "n of those line segments are sides of the polygon \n" ); document.write( "--- \n" ); document.write( "Ans: There are (n/2)(n-1) - n diagonals \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |