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Math Help - Unused area in a figure

  1. #1
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    Unused area in a figure

    Hello,

    i am having problems solving this problem with the information that is provided.

    Person X has a rectangular plate with dimensions 52x58, and decided to create a box opened in the top in the following conditions

    Unused area in a figure-exercicio.png

    with only this information, it asks me to calculate the unused area of the plate!

    I dont think i can solve it with only this information =(

    Thanks in advance
    Last edited by DarkFalz; April 22nd 2012 at 11:15 AM.
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  2. #2
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    earboth's Avatar
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    Re: Unused area in a figure

    Quote Originally Posted by DarkFalz View Post
    Hello,

    i am having problems solving this problem with the information that is provided.

    Person X has a rectangular plate with dimensions 52x58, and decided to create a box opened in the top in the following conditions

    Click image for larger version. 

Name:	exercicio.png 
Views:	9 
Size:	10.6 KB 
ID:	23682

    with only this information, it asks me to calculate the unused area of the plate!

    I dont think i can solve it with only this information =(

    Thanks in advance
    I assume that the unused area consists of the white squares and rectangles. If so:

    A_{unused} = 58 \cdot y + (52-y) \cdot y + 4x^2
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