The Vanishing Area Paradox

The vanishing area paradox was first described by Martin Gardner in 1961. The paradox concerns a triangle constructed with four colored pieces. When the pieces are rearranged to form a second triangle, a tiny empty area appears. What happened to the vanished area? Gardner's explanation of the paradox appears in the September 1998 issue of Scientific American.

Credits: 1999 Tony Azevedo


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