.........(S406,cf,md4,1)
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Instructions (S406)

1. Print the four pieces of Brain Teasers 4
2. Cut out the four shapes
3. Form the four shapes into a square
4. Then form the four shapes into a triangle


 


 
Print the four

shapes below.



 
 
From: The Puzzling World of Polyhedral Dissections 
By Stewart T. Coffin 
Famous puzzle inventor Henry Dudeney was a pioneer in geometrical dissections. His classic four-piece dissection 
between the square and equilateral triangle, first published in 1902.  Dudeney's solutions can be found at the site 
http://www.johnrausch.com/PuzzlingWorld/chap01e.htm