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a square painting is surrounded by a 2.5cm frame. if the total are of the painting plus frame is 3600 sq cm, find the dimensions of the painting.

  • Math -

    f = frame = 2.5 cm

    p = dimension of frame

    p + f = dimension of one side of square


    Area of a square painting :

    A = ( p + f ) ^ 2 = 3600

    p + f = sqrt ( 3600 )

    p + f = 60

    p + 2.5 = 60

    p = 60 - 2.5 = 57.5 cm

  • Math -

    Duplicate post. This question has been answered already

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