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Lattice Point as Centroid (Posted on 2011-04-10) Difficulty: 3 of 5
The three vertices of a triangle are lattice points. The triangle contains no other lattice points but its interior contains exactly one lattice point.

Prove that the interior lattice point is the triangle's centroid.

See The Solution Submitted by Bractals    
Rating: 3.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re(3): One Solution (spoiler) | Comment 5 of 8 |
(In reply to re(2): One Solution (spoiler) by Jer)

Right you are, Dej Mar.  I am humbled.  I guess there are a lot more ways, and my solution wasn't even close.


I wish there was a way to remove the "Full solution" indication from my first entry.

  Posted by Steve Herman on 2011-04-11 13:17:39
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