Problem 2173. How many rectangles in a grid ?
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Paper-&-pencil Games
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Classic Game Puzzles
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How many rectangles are there in an m × n grid ?
For example, if m=1 & n=2, we have 3 rectangles.
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1 Comment
Georges
on 21 Jul 2014
Good one :)
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Paper-&-pencil Games
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- 4 Finishers
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