Posted by Ruth on Friday, September 13, 2013 at 3:54pm.
Determine the number of diagonals in a regular 40gpn

Math  Jai, Friday, September 13, 2013 at 10:39pm
If you mean that the a regular 40sided polygon, recall that the formula for total number of diagonals of a polygon with n sides is,
D = n(n3)/2
Therefore,
D = 40(403)/2
D = 740 diagonals
Hope this helps~ :3
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