perplexus.info :: Just Math : Sweet Sixteen

Sweet Sixteen (Posted on 2005-06-12)

16 checkers are placed on an 8 by 8 checkerboard, no two checkers on the same square. Show that some four of the 16 checkers are on the vertices of a parallelogram with positive area.

See The Solution Submitted by McWorter

Rating: 4.0000 (1 votes)

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I'm not Jonathan Chang --- Really!

| Comment 4 of 11 |

So it is safe to post a solution to this problem.

Posted by McWorter on 2005-06-21 17:10:06

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