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Geometry 12 Online
OpenStudy (anonymous):

given that ad and bc are parallel find the value of x

OpenStudy (anonymous):

OpenStudy (anonymous):

just equate both angles and solve for x. you will get the final answer.

OpenStudy (anonymous):

Because AD and BC are parallel. Both angles are equal.

OpenStudy (anonymous):

I really dont know how to solve it :/

OpenStudy (anonymous):

I am sorry, you need to add both angles and make them equal to 180. and solve for x. okay ?

OpenStudy (anonymous):

9x+15 + 3x -15 = 180

OpenStudy (anonymous):

12x = 180 x = 15

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