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Consider the six by six grid of unit squares below. How many rectangles of area 3 square units can be formed using only the line segments of the grid as the sides of the rectangles?

https://latex.artofproblemsolving.com/5/4/6/546fe963ef4e938347abcea7fef1877a45d526aa.png

 Apr 17, 2020
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count it

 Apr 17, 2020

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