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Math Help - Similarity and Congruence Problem

  1. #1
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    Similarity and Congruence Problem

    Hi all, I am lost with this whole thing. Showed it to my uncle who teaches math at a college, and he does not even know how to do it . Hopefully the image is ok, as the other came out sideways. What can I say, I am a noob.
    Attached Thumbnails Attached Thumbnails Similarity and Congruence Problem-photo-23.jpg  
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  2. #2
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    Re: Similarity and Congruence Problem

    Similarity and Congruence Problem-16-may-13.png
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  3. #3
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    Re: Similarity and Congruence Problem

    Hi,
    While I was typing a response, another answer was provided. Here's a slightly different answer:

    Similarity and Congruence Problem-mhfgeometry27.png
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  4. #4
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    Re: Similarity and Congruence Problem

    John
    Simplicity is the key words tha makes mathematics so nice.........

    the 3 'whites' triangles ( not shaded) are similar with the triangle ABC with ratio 1/3 therefore the ratio between their areas is 1/9.
    3 triangles X 1/9 gives an area of 1/3 of the original triangle ABC. what is left is the area of the hexagon which is of cource 2/3 of the area of ABC.
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  5. #5
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    Re: Similarity and Congruence Problem

    Hey thanks a ton guys, ya'll are awesome. And thanx for not being dickheads like that plato guy. I'm done w/ geometry, but I might be back for Trig ;D
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  6. #6
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    Re: Similarity and Congruence Problem

    And PS, I might just have to get one of those cool ass programs you guys have
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