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Mathematics 11 Online
OpenStudy (hitaro9):

Help with circles?

OpenStudy (hitaro9):

|dw:1429918694680:dw|

OpenStudy (hitaro9):

What is the relation of angle ACB to arc angle AB?

OpenStudy (hitaro9):

|dw:1429918750102:dw|

jimthompson5910 (jim_thompson5910):

Are you allowed to include arc DE?

OpenStudy (hitaro9):

Yes

OpenStudy (hitaro9):

Any parts of the circle are allowed

jimthompson5910 (jim_thompson5910):

look at theorem 4 http://www.regentsprep.org/regents/math/geometry/gp15/circleangles.htm

OpenStudy (hitaro9):

Oh. Neat. Thank you.

jimthompson5910 (jim_thompson5910):

we can take these 2 arcs marked below |dw:1429919953512:dw|

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