1 Answer

Brendan Bond · Answer 1 · 2022-01-09T12:22:02+0000

Answer:

16 1x1 squares

Explanation:

9 2x2 squares (as there are 3 squares in each of the top 3 rows that can be an upper right hand corner of a 3x3 square),4 3x3 squares,and 1 4x4 square.

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