How many kinds of shapes are there in a tangram?

3 kinds

The tangram board is composed of 3 kinds of shapes, including five isosceles right triangles, one square and one parallelogram, and the five isosceles right triangles include two small triangles, one medium triangle and two large triangles.

The tangram is an old traditional Chinese intellectual toy, which is made up of seven boards. And these seven boards can be put together to form many shapes. There are 3 kinds of shapes to make up the tangram board, including five isosceles right triangles, one square and one parallelogram, and the five isosceles right triangles include two small shaped triangles, one medium shaped triangle and two large shaped triangles.

Tangrams is a jigsaw puzzle that uses seven boards in a variety of different ways to put together an ever-changing pattern of images. Because of the equilibrium transformation, so the seven boards can be put together into many shapes (more than 1600 kinds). For example, triangles, parallelograms, irregular polygons, players can also put it into a variety of characters, images, animals, bridges, houses, towers, etc., but also some Chinese and English letters.

There are 4 ways to play jigsaw puzzle:

1. Form the puzzle according to the figure, i.e., from the known figures to come up with answers.

2, see the shadow row shape, from the known figure to find out one or more than one l row.

3, self-created graphics, you can create your own new way to play, row.

4, mathematical research, the use of tangrams to solve or prove mathematical problems.