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.
(In reply to
Uh oh by RandyOrton)
7:46pm? What time zone is that? Ireland? This site needs to change to Boston Red Sox Standard Time. Its 4:11pm, games at 8!