Cut along the thick lines, and the four pieces will fit together and form a perfect square in the manner shown in the smaller diagram.
[Illustration: ANOTHER LINOLEUM PUZZLE.]
From Amusements in Mathematics by Henry Ernest Dudeney.
Cut along the thick lines, and the four pieces will fit together and form a perfect square in the manner shown in the smaller diagram.
[Illustration: ANOTHER LINOLEUM PUZZLE.]