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Cover-up (Posted on 2011-06-23) Difficulty: 4 of 5
How many 3x5 rectangles are necessary to fully cover a 26x26 square?
Clearly, overlapping each other and/or the edges of the square is allowed.

  Submitted by Ady TZIDON    
Rating: 4.5000 (2 votes)
Solution: (Hide)
Since 26*26=45*(3*5)+1 at least 46 rectangles are needed.
Gamer's post presents one possible solution of covering the big square using only 46 3*5 pieces.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Hints/Tipsre: The remainder .... k u d o sAdy TZIDON2011-06-25 12:44:47
The remainderGamer2011-06-25 01:45:40
Possible solutionbroll2011-06-23 12:35:42
Some Thoughtsa startbroll2011-06-23 12:15:01
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