# Thread: Math Help

1. ## 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!

2. 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
$AD \parallel BC$