math

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. Susan's room is 9 feet long. The area of the room is 54 square feet.What is the perimeter of her room?

  • math -

    A = Area

    W = Width

    L = Length

    P = Perimeter



    A = W * L


    54 = W * 9 Divide both sides by 9

    54 / 9 = W

    6 = W

    W = 6 ft


    P = 2 ( W + L )

    P = 2 ( 9 + 6 )

    P = 2 * 15

    P = 30 ft

  • math -

    A = L * W

    54 = 9 * W

    54/9 = W

    6 = W

    P = 2L + 2W

    P = (2 * 9) + (2 * 6)

    P = 18 + 12

    P = 30 feet

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