How many shapes does a jigsaw puzzle have?

Tangram consists of three kinds of figures, including five isosceles right triangles, a square and a parallelogram. The five isosceles right triangles include two small triangles, a middle triangle and two large triangles.

Tangram is an ancient traditional intellectual toy in China, which consists of seven boards. And these seven boards can be put together into many figures. Tangram consists of three kinds of figures, including five isosceles right triangles, a square and a parallelogram. The five isosceles right triangles include two small triangles, a middle triangle and two large triangles.

Tangram is a kind of tangram, which uses seven tangrams to spell out ever-changing image patterns in various ways. Because of the equal product transformation, these seven boards can be put together into many figures (1600 kinds).

For example: triangle, parallelogram, irregular polygon, players can also spell it into various graphics, images, animals, bridges, houses, towers and so on. Or some Chinese and English letters.

There are four ways to play jigsaw puzzle:

1, forming according to the diagram, that is, discharging the answer from the known diagram.

2, immediate layout, find out one or more L layouts from the known graphics.

3, create your own graphics, you can create new ways of playing and arranging.

4. Mathematical research, using jigsaw puzzles to solve or prove mathematical problems.