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      Question

      What is the perimeter of a square inscribed in a circle

      of radius 5 cm?
      A 20 √2 cm Correct Answer Incorrect Answer
      B 40 √2 cm Correct Answer Incorrect Answer
      C 30 √2 cm Correct Answer Incorrect Answer
      D 10 √2 cm Correct Answer Incorrect Answer

      Solution

      As, from the figure, the square is inscribed in a circle of radius 5 cm. Now, diagonal of square = Diameter of Circle = 10 cm So, side√2 = 10cm side of square = 5√2cm hence Perimeter of Square will be = 4 Γ— side = 4 Γ— 5√2 = 20√2 cm

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