UPSKILL MATH PLUS

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Nischal is planning to design a floor sketch using spray paints. He wants the design to resemble tetrominoes. He likes the L- Tetromino amongst all other tetromino types.
 
Analyze the given image and
  • List the number of possible L- Tetrominos needed to complete the design 
  • If the design cannot be filled with tetrominoes completely, then list the total number of missed out squares.
 
Exercise 6_2.png
 
The number of maximum L- Tetrominos needed to fill the above-given design is 
 
The number of missed out squares are