Exercise condition:

3
Identify the Number of Tetrominoes present in the various grids shown below.
 
Grid 1:
GRID 2.png
The total number of Straight Tetromino present:
 
Grid 2:
GRID 1 .png
The total number of Square Tetrominoes present:
 
Grid 3:
GRID 3.png
The total number of Straight Tetromino present:
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