The tangram is a 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. People believe it was invented in China during the Song Dynasty, and then brought to Europe in the early 19th century.
Number of configurations[change | change source]
Over 6500 different tangram problems have been created from 19th century texts.
Pieces[change | change source]
There are seven peices called Tans:
- 5 triangles , two built with the main diagonal of the same size, the two small ones of the central strip are also of the same size.
- 1 square
- 1 parallelogram or rhomboid