How many square are there in the figure below? (image and complete questio mention i the explanation portion)

Explanation

Given:

- 4 concentric squares

- The two innermost squares form a 3×3 grid using two perpendicular lines.

Step 1: Count squares in the 3×3 grid  

Using the formula ∑(i²) for square counts:

- 1×1 squares = 3² = 9

- 2×2 squares = 2² = 4

- 3×3 square = 1² = 1

Subtotal (from grid) = 9 + 4 + 1 = 14 squares

Step 2: Count the outer 2 square outlines  

These are not part of the inner grid:

- 1 square (second-largest)

- 1 square (outermost)

Subtotal = 2 squares

Final Total:  

14 (inner grid) + 2 (outer squares) = 16 squares

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