Question

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Answer 1

Hello!

Answer:

`\Large \boxed{\sf 12}`

Explanation:

See attachment.

1: the square 1

2: the square 2

3: the square 3

4: the square 4

5: the 4 squares 1,2,3,4

6: the quadrilateral at the top

7: the quadrilateral in the middle

8: the quadrilateral below

9: The 2 quadrilaterals 6,7

10: The 2 quadrilaterals 7,8

11: The 3 quadrilaterals 6,7,8

12: The total figure