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Area of hexagon is maximum while perimeter is fixed

  1. Sep 12, 2014 #1

    nmr

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    this is the given problem:

    ImageUploadedByPhysics Forums1410578071.067986.jpg

    and this is my attempt at a solution:

    ImageUploadedByPhysics Forums1410578438.619871.jpg

    I am stuck here as the variable y is unknown and I want to express y in terms of x, but cannot figure out how to do so.
    Thanks for any help!
     
  2. jcsd
  3. Sep 12, 2014 #2

    Ray Vickson

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    Science Advisor
    Homework Helper

    Do not post thumbnails. Please read the 'pinned' thread 'Guidelines for students and helpers', which explains the reasons for this policy.
     
  4. Sep 13, 2014 #3

    Mentallic

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    Homework Helper

    You're told that the perimeter is fixed, which means that P is some constant. You can represent y in terms of P and x so that you then have the area A in terms of just one variable x.
     
  5. Sep 13, 2014 #4

    nmr

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    I got it, thanks alot!

    Also sorry for not reading the posting guidelines beforehand.
     
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