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Math Help - Math Help

  1. #1
    Newbie
    Joined
    Jun 2009
    Posts
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    Math Help

    First of all, New to the forums, want to say Hello to everyone!

    Second, im having trouble on one of my homework assignments and would like to know if anyone could help me.

    http://i40.tinypic.com/2li946c.png
    The questions are there, any answers/help would be appreciated

    Thanks in advance!
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  2. #2
    Super Member

    Joined
    May 2006
    From
    Lexington, MA (USA)
    Posts
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    Thanks
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    Hello, i3adacc!

    Welcome aboard!


    Use the given information to determine which segments must be parallel.
    Code:
         A        W               X      D
          * - - - * - - - - - - - * - - *
          |\14   13\12         11/10   9|
          |1\       \           /       |
          |  \       \         /        |
          |   \       \       /         |
          |    \       \     /          |
          |     \       \   /           |
          |2    3\4     5\6/7          8|
          * - - - * - - - * - - - - - - *
         B        Y       Z              C

    15.\;\;\angle 3 \:=\:\angle14
    Code:
         A                   D
          * - - - - - - - - * 
           \14
            \
             \
              \
               \
                \
                3\
          * - - - * - - - - *
         B        Y          C
    AD \parallel BC



    16.\;\;\angle 12 \:=\:\angle14
    Code:
         A        W
          * - - - * - - -
           \14     \12
            \       \
             \       \
              \       \
               \       \
                \       \
                 \       \
                  *       *
                  Y       Z
    AY \parallel WZ



    17.\;\;\angle5 + \angle6 \:=\:\angle10
    Code:
         A                        X      D
          * - - - - - - - - - - - * - - *
                                 /10
                                /
                     \         /
                      \       /
                       \     /
                        \   /
                        5\6/
          * - - - - - - - * - - - - - - *
         B                Z              C
    AD \parallel BC



    18.\;\;\angle4 + \angle14 \:=\:180
    Code:
         A                               D
          * - - - - - - - - - - - - - - *
           \14
            \
             \
              \
               \
                \
                 \4
          * - - - * - - - - - - - - - - *
         B        Y                      C
    AD \parallel BC



    19.\;\;\angle5 + \angle6 + \angle11 \:=\:180
    Code:
         A                        X      D
          * - - - - - - - - - - - * - - *
                               11/
                                /
                     \         /
                      \       /
                       \     /
                        \   /
                        5\6/
          * - - - - - - - * - - - - - - *
         B                Z              C
    AD \parallel BC



    20.\;\;AW \perp WZ\,\text{ and }\,DZ \perp WZ\;\;{\color{red}??}
    Is it supposed to be: . AW \perp WZ\,\text{ and }\,{\color{red}CZ} \perp WZ\;?
    Code:
         A        W              D
          * - - - * - - - - - - *
                  |
                  |
                  |
                  |
                  |
                  |
                  |
          * - - - * - - - - - - *
         B        Z              C
    AD \parallel BC


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