This picture is taken from the Problem Pictures resource of photographs with activities for mathematics teaching.
If you purchase this resource the photographs are available in higher resolution and there are additional pages containing hints and solutions.
Tiling of squares and parallelograms
This tiling consists of squares and parallelograms. The large squares each have an area of 1 square meter. The angle between the large squares and small squares is 45 degrees.
What is the area of one of the small squares?
What is the area of one of the parallelograms?
The photograph was taken in Germany.