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math URGENT!!!!!!!!!!!!

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a 12x12-inch square is divided into n^2 congruent squares by equally spaced lines parallel to its sides. circles are inscribed in each of the squares. find the sum of the areas of the circles. answer and please explain step by step how u got the answer!! please!!!!

  • math URGENT!!!!!!!!!!!! - ,

    the diameter of each square is n, so the radius is n/2. The area of each circle is PI(n/2)^2
    the area of all of them is that times n^2
    total area circles n^4*PI/4

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