Wolfram Demonstrations Project
8758

Curry Triangle Paradox

When reassembling the four pieces in the figure to another triangle, one square is left empty. How is this possible? This problem was invented by Paul Curry in 1953.

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In the solution, you can see a very narrow parallelogram of area 1.

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 Arne Eide
"Curry Triangle Paradox"
 http://demonstrations.wolfram.com/CurryTriangleParadox/
 Wolfram Demonstrations Project
 Published: May 9, 2012
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