AN EASY DISSECTION PUZZLE.
(Various Dissection Puzzles
First, cut out a piece of paper or cardboard of the shape shown in the
illustration. It will be seen at once that the proportions are simply
those of a square attached to half of another similar square, divided
diagonally. The puzzle is to cut it into four pieces all of precisely
the same size and shape.
Next: AN EASY SQUARE PUZZLE.