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Triangulating a hexagon. (Posted on 2010-11-24) Difficulty: 4 of 5
Drawing 9 diagonals within a regular hexagon ensures that all its vertices are connected.

How many triangles there are in the newly created drawing?

No Solution Yet Submitted by Ady TZIDON    
Rating: 4.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re(2): by my count -- proposed solution -- missed a set | Comment 3 of 7 |
(In reply to re: by my count -- proposed solution -- missed a set by Charlie)

Charlie

Let your fingers do the counting: http://oeis.org/A006600


  Posted by broll on 2010-11-24 14:10:44
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