The tangram puzzle consisting of seven flat shapes, called tans, which are put together to form shapes.
The objective of the puzzle is to form a specific shape using all seven pieces, which may not overlap.
It is reputed to have been invented in China.
Pieces
Choosing a unit of measurement so that the seven pieces can be assembled to form a square of side one unit and having area one square unit, the seven pieces are:
2 large right triangles
1 medium right triangle
2 small right triangles
1 square
1 parallelogram
Tangram A to Z
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