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    Darkhood's Avatar
    Darkhood Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Nov 14, 2007, 06:47 PM
    Need an answer asap.
    Here's the question:
    The are of a rectangular field is 2275meters squared. The field is enclosed by 200m of fencing. What are the dimensions of the field?
    terryg752's Avatar
    terryg752 Posts: 197, Reputation: 4
    Junior Member
    		  
    #2

    Nov 14, 2007, 07:41 PM
    supplose length is x and breadth y

    2x + 2y = 200

    x + y = 100

    xy = 2275

    x ( 100 - x) = 2275

    x^2 - 100 x + 2275 = 0

    Solve this and get value of x

    Then from above (x + y = 100) you can get value of y.
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