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Diagonals Of A Polygon (Posted on 2004-01-31) Difficulty: 2 of 5
A polygon has 1325 diagonals. How many vertices does it have?

No Solution Yet Submitted by Ravi Raja    
Rating: 2.4167 (12 votes)

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Solution solution | Comment 16 of 17 |
No. of diagonals = n(n-3)/2
=> n(n-5)=2650=50*53
n=53 => No. of vertices = 53


Edited on August 14, 2007, 1:23 am
  Posted by Praneeth on 2007-08-14 01:21:40

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