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    Question

    The length of a rectangle is 7 metres more than its

    width. If the perimeter of the rectangle is 74 metres then what is the area (in m2┬а) of the rectangle?
    A 330 Correct Answer Incorrect Answer
    B 234 Correct Answer Incorrect Answer
    C 304 Correct Answer Incorrect Answer
    D 136 Correct Answer Incorrect Answer

    Solution

    Let the width of the rectangle = тАШxтАЩ metres Then, length of the rectangle = (x + 7) metres Perimeter of the rectangle = 2 ├Ч (length + width) Or, 2 ├Ч (x + x + 7) = 74 Or, 2x + 2x + 14 = 74 Or, 4x = 74 тАУ 14 = 60 Or, x = 60/4 = 15 m So, area of the rectangle = x ├Ч (x + 7) = 15 ├Ч 22 = 330 m2

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