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math

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the length of a rectangle exceeds its breadth by 4cm. The length and breadth are increased by 3 cm .The area of the new rectangle will be 81cm square more than the given rectangle .Find the dimensions of the given rectangle?

  • math - ,

    given original width x and length y,

    y = x + 4
    (x+3)(y+3) = xy+81

    x=10
    y=14

    check:
    14 = 10+4
    14*10 = 140
    (10+3)(14+3) = 13*17 = 221 = 140+81

  • math - ,

    kk

  • math - ,

    Please tell the answer

  • math - ,

    53

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