What is Tangram?
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,<ref>{{cite book|last=Shi|first=Jiannong|title=International Handbook of Intelligence|url=https://archive.org/details/internationalhan00ster|editor=Robert J. Sternberg|publisher=Cambridge University Press|date=2004|pages=[https://archive.org/details/internationalhan00ster/page/n343 330]-331|isbn=978-0-521-00402-2}}</ref> and then brought to Europe in the early 19th century. [[File:Tangram-set-blueplas.jpg|thumb|Tangram Puzzle]] == Number of configurations == Over 6500 different tangram problems have been created from 19th century texts. == Pieces == There are seven peices called Tans: * 5 [[Triangle|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 ==References== {{reflist}} {{stub}} [[Category:Puzzles]]