AN EASY SQUARE PUZZLE.
(
Various Dissection Puzzles)
If you take a rectangular piece of cardboard, twice as long as it is
broad, and cut it in half diagonally, you will get two of the pieces
shown in the illustration. The puzzle is with five such pieces of equal
size to form a square. One of the pieces may be cut in two, but the
others must be used intact.
Answer:
[Illustration
+-----------------------------------------+
| . /|
| . / |
| . / |
| / / |
| / . / |
| / . / |
| / . / |
| / ./ |
| +--------------------+ |
| / / |
| / / |
| / / |
| / . / |
| / . / |
| / . / |
| / . / |
| / . |
| / . |
| / . |
|/ . |
+-----------------------------------------+
]
The diagram explains itself, one of the five pieces having been cut in
two to form a square.