(related to Problem: He Banner Puzzle)

The illustration explains itself. Divide the bunting into $25$ squares (because this number is the sum of two other squares — $16$ and $9$), and then cut along the thick lines. The two pieces marked $A$ form one square, and the two pieces marked $B$ form the other.


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Project Gutenberg

  1. Dudeney, H. E.: "Amusements in Mathematics", The Authors' Club, 1917

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