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March 29, 2017

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Polly decides to use a wall of the house as one sideof the rectangular dog pen. She plans to use the 24 ft. of fencing (1 ft. sections) for the other 3 sides. What are the dimensions ofthe best dog pen for polly's poodle? Explain

  • geometry - ,

    I helped you with the last problem. Now it's your turn.

    What do you think are the best dimensions?

    We'll be glad to check your answer.

  • geometry - ,

    A = l + w

    the best dimensions would be lenght 10 feet and width 4 feet

    24 - 4 = 20

    20 divided by 2 (lenght) 10
    10 by 10 by 4 = 24

  • geometry - ,

    If one length is along the house, then you still have 24 feet to divide among three sides.

  • geometry - ,

    24 divided by 3 (sides) = 8
    8 divided by 2 (sides) = 4

    24 - 4 = 20

    20 divided by 2 (sides) = 10

    10 by 10 by 4 = 24 feet of fencing

  • geometry - ,

    You don't need fencing along the wall of the house.

    How about dimensions of 12 by 6, with 12 feet along the house?

    12 + 6 + 6 = 24 feet of fencing.

  • geometry - ,

    i almost thought this was an optimization problem

  • geometry - ,

    i kinda understand but not sure how i write the problem up

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