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Mathematics 13 Online
OpenStudy (anonymous):

attached question, answerer(s) get a medal!

OpenStudy (anonymous):

OpenStudy (anonymous):

90 degrees. it opens to an arc of 180 degrees.

OpenStudy (anonymous):

thanks a mil bro.

OpenStudy (anonymous):

yea its 90

OpenStudy (anonymous):

90 degrees.

OpenStudy (anonymous):

actually its chick, not bro but no probs :-P

OpenStudy (anonymous):

oh, my mistake D: Thanks anyhow!

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