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      Question

      The length of a rectangular garden is 16 metres and its

      breadth is 8 metres. Find the length of the diagonal of a square garden having the same area as that of the rectangular garden:
      A 12 metres Correct Answer Incorrect Answer
      B 16 metres Correct Answer Incorrect Answer
      C 18 metres Correct Answer Incorrect Answer
      D 32 metres Correct Answer Incorrect Answer
      E 6 metres Correct Answer Incorrect Answer

      Solution

      Using formula, Area = lb & Area = a2 = (Diagonal2)/2 Area of the rectangular garden = 16 × 8 = 128 m2 = Area of the square garden Therefore, Side of the square garden = √128 m2 Therefore, diagonal of the square garden = √2 x side ⇒ √2 x √128 = √256 ⇒ 16 m

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