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Mathematics 7 Online
OpenStudy (anonymous):

PLEASE HELP!!!!! MEDAL AND FAN!!!!! Referring to the figure, find the unknown measure of arc AC.

OpenStudy (anonymous):

figure please

OpenStudy (anonymous):

|dw:1438791040916:dw|

OpenStudy (astrophysics):

|dw:1438791559600:dw| I guess just drawing it out I see 180 degrees, maybe use cyclic quadrilateral theorem to confirm, as opposite angles in cyclic quadrilateral are supplementary (meaning they add up to 180). You could also use the right triangle figure something out.

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