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Thread: Help with 2 9th grade geometry questions

  1. #1
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    Help with 2 9th grade geometry questions

    Update: I solved question 1.
    Hi, my teacher gave us 2 questions in geometry (now I understand why it was only 2 questions...).
    I got nothing, no progress, just some ideas that didn't work.
    Here are the questions:

    Thank you.
    Last edited by negevasaf; Feb 1st 2015 at 12:24 PM. Reason: I solved que1
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  2. #2
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    Re: Help with 2 9th grade geometry questions

    If it's given to you in 1. that angles CAB and ABE are right angles, then you can use the fact that the diagonals of a rectangle are always equal in length and cross at their midpoints...
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  3. #3
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    Re: Help with 2 9th grade geometry questions

    not familiar with the notation ...

    $\displaystyle S_{\Delta ABC}$
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