Hans Walser, [20090628a]

Puzzle

Except the squares, you can fill all polygons by only two kinds of tiles.

The Puzzle

Grid may be helpful

Solution

Colored solution

Colors only

Next step

Reference

[Deshpande 2009] Deshpande, M. N. : Proof Without Words: Beyond Extriangles. MATHEMATICS MAGAZINE. Vol. 82, No. 3, June 2009, p. 208.