document.write( "Question 406771: Find the number of diagonals for a polygon with N sides. IF N= 20 \n" ); document.write( "

Algebra.Com's Answer #286944 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi
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document.write( "Note: # of Diagonals = n(n-3)/2
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document.write( "Recommend putting info like this on a 'condensed' fact sheet.
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document.write( " n = 20
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document.write( "   20(17)/2 = 170 \n" );
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