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No Rotation Dissection (Posted on 2004-10-19) Difficulty: 3 of 5
Take a square and cut it as you wish into a finite number of pieces. Rearrange the pieces without rotating or flipping any of them to form an new square that is rotated 45-degrees compared to the original.

No Solution Yet Submitted by Brian Smith    
Rating: 3.3333 (9 votes)

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re: OK, here goes nothing. | Comment 10 of 25 |
(In reply to OK, here goes nothing. by Juggler)

At first I thought you had it.  But no.  In order for this to work, you need to fit exactly 4 rectangles along one side exactly filling that side.  5 rectangles along the other sides, overlapping just enough to cover those 2 sides and the short edges of the two rectangles on the other 2 sides.  But by looking at the original tic-tac-toe cut, it only takes three rectangles to cover a side, and 4 to cover the other sides plus the short edges. 

You're going to have 4 rectangles left over.

Edited on October 20, 2004, 4:38 am
  Posted by Ken Haley on 2004-10-20 04:33:50

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