Briefly

An old saw with new teeth

An old saw with new teeth


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Divide the two oval rings in the illustration into the smallest possible number of pieces that can fit and form a circular piece (as if it were a circular table without any holes).

You can also do this problem the other way around: take a perfect circle and divide it into the smallest possible number of pieces that can fit and form two oval rings as shown, but remember to take care to do it with the "least" number of pieces.

Solution

Diagram 1 shows the traditional way to solve this puzzle, done by Sam Loyd years ago.

Other possible solutions, more current are the following:

1. Puzzle solution according to Jackson's oval table.



2. 6-piece solution based on the Chinese Monad method.



3. Diagram for the solution of 5 pieces.



4. Variation of Sam Loyd's solution with four pieces.



Comments:

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  5. Warleigh

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  6. Dace

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  7. Stein

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