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OpenStudy (anonymous):
Find the value of x. (pic below)
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OpenStudy (anonymous):
OpenStudy (anonymous):
what can be said about the sum of exterior angles of any polygon ?
OpenStudy (anonymous):
Easy. As you can see, "6x" angle and the "x+16" angle add up to 180. The same is true of the "5x" and "3x-1" angles.
OpenStudy (anonymous):
So I just set them equal to 180 and solve?
OpenStudy (anonymous):
Yep
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OpenStudy (anonymous):
Haha, thank you!!!!
OpenStudy (anonymous):
Oh wait. I might be mistaken, if the line at the top isn't parallel with the line at the bottom.
OpenStudy (anonymous):
you are on the right track though. use the fact that exterior angles sum to 360
OpenStudy (anonymous):
hmm
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