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Mathematics 12 Online
OpenStudy (anonymous):

what is the measure of arc xy http://media.apexlearning.com/Images/200701/19/01c6243e-69e5-4032-a1f4-94f3291b172d.gif

OpenStudy (anonymous):

pleaseeee!!!!!

OpenStudy (anonymous):

I really need the help!

hartnn (hartnn):

http://www.regentsprep.org/regents/math/geometry/gp15/circleangles.htm have a look! at "Two secants" section. \(\Large 39 = 1/2 (110-arc ~ xy)\)

hartnn (hartnn):

try to find the measure of arc xy from that.

OpenStudy (anonymous):

I'm sorry but could you explain to me further

hartnn (hartnn):

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