Hans Walser, [20090629b]
Puzzle, and
Fibonacci Numbers
You may fill the polygons by triangles of one
size and shape and squares of three sizes.
The central hexagon is affine regular.

The Puzzle

Solution

Next two steps

Solution
Do you see the Fibonacci numbers 1, 1, 2, 3, 5,
8?
Reference
[Deshpande
2009] Deshpande,
M. N. : Proof Without Words: Beyond Extriangles. MATHEMATICS MAGAZINE. Vol. 82,
No. 3, June 2009, p. 208.