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December 21, 2014

December 21, 2014

Posted by **Tom** on Tuesday, May 7, 2013 at 11:28pm.

The probability that the tokens form the vertices of a non-degenerate rectangle can be expressed as a/b where a and b are coprime positive integers. What is the value of a+b?

Note:

-Players are allowed to have selected the same squares.

-There is no restriction on their choices.

-A degenerate rectangle has 0 area.

-Squares are rectangles.

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