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Mathematics 30 Online
OpenStudy (anonymous):

Help find the value of x. (I'm not completely sure how to do this) File added.

OpenStudy (anonymous):

OpenStudy (noelgreco):

The sum of the external angles of a polygon is 360 degrees.

OpenStudy (anonymous):

ok...

OpenStudy (noelgreco):

There is a quadrilateral in the middle, and the four exterior angles are labeled.

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