Respuesta :

We know that diagonal of a square is equal to the diameter of circle

  • So, Given side of a square = 4 cm
  • we know diagonal of sqaure = √2 × side = 4 × √2 = 4√2 cm.
  • So, diameter of circle = 4√2 cm.

Hence, the required answer is = 4√2 cm.

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