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  1. #1
    MagixAries's Avatar
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    Thumbs up Geometry Help. Look Here.

    Someone help me solve this problem!

    Here:

    If you fold the following shape below with it's given length of 8in by 4in to form a 3D shape, What would the length be after you've folded the shapes to form a Cone?
    Picture [The Shapes before it's folded.]:

    Multiple Question Answers:
    A) 8IN. by 4IN.

    B) 4IN. by 4IN.

    PLEASE ALSO EXPLAIN HOW U GOT THE ANSWER!! THANKS!
    Attached Thumbnails Attached Thumbnails
    ichigo.jpg  

    answer a.png  

    answer b.png  

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  2. #2
    Alen's Avatar
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    @MagixAries

    If by "length" you mean "height", then just use Pythagorean theorem.



    Then:



    Repeat for different values. Also note that if the diameter of the larger part is 8, the edge would be 4, not 8 as you drew in the second sketch. Just fyi.
    Last edited by Alen; 03-21-2012 at 05:06 PM.
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  3. #3
    MagixAries's Avatar
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    So, would the answer be B then? because if u fold the top shape in half it becomes cut in half...so 8/2 would be 4 by 4? Someone confirm this please

    ---------- Post added at 07:41 PM ---------- Previous post was at 07:34 PM ----------

    This is due in 14 hours guys & I really need to know the answer!! :"(
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  4. #4
    Alen's Avatar
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    Oh you're wondering which image is correct, not the height? In that case B, yes. The radius is half of the diameter.
    I'm Alen on Steam. RIP Skype Friday nights.

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