Futility Closet

Missing Square Puzzle

Posted in Puzzles by Greg Ross on May 26th, 2006

http://commons.wikimedia.org/wiki/File:Missing_square_puzzle.svg

New York magician Paul Curry invented this puzzle in 1953. When the pieces of the triangle are rearranged as shown, suddenly a square is missing. How is this possible?

(Answer)

(Image: Wikimedia Commons)