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