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Geometry 17 Online
OpenStudy (anonymous):

Look down

OpenStudy (anonymous):

OpenStudy (anonymous):

The 4th choice is impossible, becuase you already have a 135 degree angle. If one of the two angles is 45 degrees, that already 180. But there's one other angle to consider. It is the 2nd choice, becuase of alternate interior angles, it is 15 degrees.

OpenStudy (anonymous):

As long as the lines are parallel, this is true: |dw:1382643649062:dw|

OpenStudy (anonymous):

Alright it was B. thanks to both of you so much!!

OpenStudy (anonymous):

welcome.

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