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Math Help - Triangle problem

  1. #1
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    Triangle problem



    What is the value of x?
    A) 4.0
    B) 5.3
    C) 9.0
    D) 10.2

    How do I find the answer?
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  2. #2
    Eater of Worlds
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    Since they are similar, use a proportion:

    \frac{6}{5}=\frac{x}{8.5}

    solve for x.
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  3. #3
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    Quote Originally Posted by galactus View Post
    Since they are similar, use a proportion:

    \frac{6}{5}=\frac{x}{8.5}

    solve for x.
    I thought I was supposed to use a proportion, but I got confused on which sides corresponded with which. You're a godsend!
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