Tangram has 3 graphics.

The jigsaw puzzle consists of three kinds of figures, including five isosceles right triangles, one square and one parallelogram. The five isosceles right triangles include two small triangles, one medium triangle and two large ones. triangle.

The tangram is an ancient traditional Chinese intellectual toy, which is composed of seven boards. And these seven boards can be assembled into many shapes. The tangram consists of three types of figures, including five isosceles right triangles, one square and one parallelogram. The five isosceles right triangles include two small triangles, one medium triangle and two large triangles.

The tangram is a jigsaw puzzle puzzle that uses seven boards to piece together ever-changing images in various ways. Due to the equal-area transformation, these seven boards can be assembled into many shapes (more than 1,600 types).

For example: triangles, parallelograms, irregular polygons, players can also make them into various characters, images, animals, bridges, houses, towers, etc., or some Chinese and English letters.

There are 4 ways to play the jigsaw puzzle:

1. Form according to the picture, that is, formulate the answer from the known graphics.

2. Arrange the shapes by seeing the shadows, and find one or more arrangement methods from the known figures.

3. Create your own graphics, you can create new gameplay and arrangement by yourself.

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