Today is 22 September 2014, the 265th day of the year.
 

 

 



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Sally Simplewit's mother has been rearranging the dining room again, but she is frustrated; the place she wants to put the dining room table isn't working out, because the floor there is smooth but uneven, and she can't seem to get the table into a position where it doesn't rock. It is a round table, with four legs of equal length. Frustrated, she announces that she is going to get a saw and shorten one of the table's legs. Sally, who has been watching the proceedings with some amusement, tells her mother to relax, and to put the saw away.
"For," says Sally, "I guarantee I can get all four legs firmly on the floor without changing either the floor or the lengths of the legs!"
Today's challenge: How can Sally make such a guarantee?

HINT


Solution to yesterday's challenge



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