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Math Help - Calculate XZ in the diagram shown

  1. #1
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    Calculate XZ in the diagram shown

    picture:

    http://i121.photobucket.com/albums/o...oryz/002-8.jpg

    answers:
    a.) 72
    b.) 63
    c.) 56
    d.) 49
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  2. #2
    Super Member Matt Westwood's Avatar
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    Because it's got a circle inscribed in it, you can get the results:

    XT = XS
    YS = YU
    UZ = 79 - YU
    TZ = UZ
    XZ = XT + TZ

    Take it from there.
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