It consists of 7 pieces, which fit together to form a square:

• 5 triangles of various sizes,
• 1 square
• 1 parallelogram

The objective is to form a given shapes with seven pieces. The shape has to contain all the pieces, which must not overlap.

It is said that the Pythagorean theorem was discovered in the Orient with help of Tangram pieces.

The puzzler Sam Loyd devised many tangram puzzles.

See also: Mathematical game

External links

• Tangram Page (http://members.aol.com/sth777/page00.html)