UPSKILL MATH PLUS
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Learn moreTetromino:
A geometric shape composed of four squares, which are connected orthogonally is called a Tetromino.
- The name "Tetromino" is a combination of the prefix tetra - "four" (from Ancient Greek), and "domino" ( a traditional tile-based game from China).
- To further understand tetromino, it is essential to know about Domino & Trinomino.
Domino:
- Two unit squares of each \(1\)\(cm\) are joined together (edge to edge) to form a Domino.
![vertical & horizontal domino.png](https://resources.cdn.yaclass.in/0e4e7611-0bdd-4a60-8e1e-367284fb9e44/vertical%20%26%20horizontal%20domino-w500.png)
Trinomino:
- Similarly, Three unit squares of each \(1\)\(cm\) are joined together (edge to edge) to form a Trinomino.
- The word “Tri” means three. Hence, joining three squares is called "Trinomino".
![vertical & horizontal trinomino.png](https://resources.cdn.yaclass.in/8510e1e6-15fa-4ef9-8bde-4a11ce9fed35/vertical%20%26%20horizontal%20trinomino-w500.png)
Important!
But unlike Domino, Trinomino can also be arranged into four other different ways.
They are as follows:
![types of trinomino.png](https://resources.cdn.yaclass.in/3a02062c-a231-4fda-804d-944f91a2eaf4/types%20of%20trinomino-w500.png)