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      Question

      The length of a rectangle is twice its width. If the

      perimeter of the rectangle is 60 cm, what is the area?
      A 250 cm² Correct Answer Incorrect Answer
      B 150 cm² Correct Answer Incorrect Answer
      C 200 cm² Correct Answer Incorrect Answer
      D 225 cm² Correct Answer Incorrect Answer

      Solution

      Let the width be w. Then, length l=2w Perimeter 2(l+w) =60   = 2(2w+w) =60 6w=60 w=10 So, length l=20. Area =l×w=20×10=200

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