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Geometry

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polly wants to build a rectangular dog pen for her poodle. She has 24ft of fencing in 1 ft sections. What are the dimensions of the best dog pen for polly's poodle? explain

Please help my teacher never explains just hands out problems

  • Geometry -

    What do you mean by "best?" Is it a long narrow pen so that the dog can run? Or is a pen with the most square feet?

  • Geometry -

    problem problem just says rectangular dog ben nothing about squar feet so i am assuming so that the dog has the most room

  • Geometry -

    You might try a few possible dimensions to see which produces the largest pen.

    A = 2L + 2W

    A = 2(3) + 2(9)

    A = 2(4) + 2(8)

    A = 2(6) + 2(6)

  • Geometry -

    A = 2(4) + 2(8)
    8 + 16 = 24
    then you would divide the 8 and the 16 by 2 giving the dimensions

    4 4 8 8 =24

    is this correct

  • Geometry -

    Right that would produce a pen that was 4 feet wide and 8 feet long. It would contain 32 square feet.

    However a square pen that was 6 feet on each side would have an area of 36 square feet.

  • Geometry -

    thank you

  • Geometry -

    You're welcome.

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