The tangram consists of 7 shapes:
-2 large right & isosceles triangles, each covering 1/4 of the total occupied space
-1 smaller right & isosceles triangle, taking up 1/8 of the total space
-2 even smaller right & isosceles triangles, each occupying 1/16 of the whole area
-A square using up 1/8 of total space
-A parallelogram with angles 45° and 135° taking up 1/8 of space
basically 5 triangles, 1 square, 1 parallelogram.
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Th tangrams originated in China......I heard around the 19th centuryTangrams were invented in China.
Tangrams
There are lots of different types of polygons Polygons are classified into various types based on the number of sides and measures of the angles.: Regular Polygons Irregular Polygons Concave Polygons Convex Polygons Trigons Quadrilateral Polygons Pentagon Polygons Hexagon Polygons Equilateral Polygons Equiangular Polygons
The earliest recording of Tangrams was in a Chinese book in the year 1813. It is a dissection puzzle with 7 pieces that fit together to form some shape of art.