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Thread: geometry perimeter triangle

  1. 10-10-2013, 12:42 PM #1
    Jack
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    geometry perimeter triangle

    In the figure below the triangle RST has a perimeter of 14 and SR=RT, what is the length of side ST given that the ratio of ?

    Click image for larger version.  Name: 3.jpg  Views: 4  Size: 4.3 KB  ID: 46

    Figure not drawn to scale


    (A)

    (B)

    (C)

    (D)

    Thanks!!
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  2. 10-10-2013, 12:53 PM #2
    miranda
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    The perimeter of triangle RST is

    and we also know that




    Therefore the correct answer is (B).
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  3. 10-10-2013, 12:54 PM #3
    Jack
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    Thank you miranda!
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