One Square and a Half Puzzle - Solution
The figure below represents two equal squares placed side by side. The second square has been cut in half diagonally: The puzzle is to cut the figure into four identical pieces (the pieces may be flipped over).
Give the square a side length of two units, then the figure has an area of six square units (4 + 2). One quarter of this is 1.5 square units, which suggests the solution given
Puzzle Author: Stephen Froggatt
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