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Mathematics 8 Online
OpenStudy (anonymous):

Help!

OpenStudy (anonymous):

OpenStudy (anonymous):

Is this 40?

OpenStudy (anonymous):

41+39= 80 80/2 40

OpenStudy (anonymous):

Or is it just 41?

OpenStudy (dan815):

hi i dont think they are same length

jimthompson5910 (jim_thompson5910):

use theorem 4 on this page http://www.regentsprep.org/Regents/math/geometry/GP15/CircleAngles.htm

OpenStudy (dan815):

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