Henry Dudeney gives a method for dissecting a square so that its pieces can be rearranged to form a pentagon. I found it in a copy of Dudeney’s book “Amusements in Mathematics” on Project Guetnberg here. It is puzzle #155 (“Pentagon and Square”) and I found another copy of it here: You will notice that two points are labeled ‘F’, one inside the pentagon and one inside the square. I’m embarrassed to say it took me a good fifteen […]
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My Puzzle Selling Debut!
I have to say I am very impressed with Henry Dudeney and his dissection puzzles, specifically his Triangle dissection and his Greek Cross dissection. I thought they might look cool in colored acrylic so I made a bunch and they are now available at Eureka Puzzles and LittleBits Toys. Pictures and more information are available here on my Items for Sale page.
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