Results 1 to 2 of 2

Math Help - Conchita's Coral

  1. #1
    Newbie
    Joined
    Sep 2009
    Posts
    6

    Conchita's Coral

    Conchita's building a coral for her horse. She has 200 ft of fencing. She also has a canyon wall which is aslong as you want. What is the maxmium area of the encloser?


    Follow Math Help Forum on Facebook and Google+

  2. #2
    Master Of Puppets
    pickslides's Avatar
    Joined
    Sep 2008
    From
    Melbourne
    Posts
    5,236
    Thanks
    29
    Quote Originally Posted by The D00D View Post
    Conchita's building a coral for her horse. She has 200 ft of fencing. She also has a canyon wall which is aslong as you want. What is the maxmium area of the encloser?

    the perimeter with L = length and W = width can be expressed by

    L+W+W = 200

    L+2W = 200

    Putting L in terms of W we get L = 200-2W

    Now Area equals L by W

     A = L\times W

     A = (200-2W)\times W

    now expand this and find the turning point.
    Follow Math Help Forum on Facebook and Google+

Search Tags


/mathhelpforum @mathhelpforum