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Perimeter and area

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The gadget comes with a page of instructions. When page is unfolded, it is 81 square inches. If one page is nine inches wide what is the perimeter?

  • Perimeter and area - ,

    What is 9 times 9?

  • Perimeter and area - ,

    w = width = 9, L = length
    Area = Lw
    81 = 9L
    L = 9

    Perimeter P = 2w + 2L
    w = 9, L = 9
    P = 2(9) + 2(9)
    P = ?

  • Perimeter and area - ,

    Thanks,Helper.

  • Perimeter and area - ,

    the answer is i don't know and i need the answer

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