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Mathematics 9 Online
OpenStudy (theislander):

**Need Help with Tangents** AD, AF , and DF are tangent to circle O through points C, B, and E, respectively. If mDAF = 66° and mFDA = 56°, what is mEOB?

OpenStudy (theislander):

OpenStudy (mathstudent55):

This may help. A tangent to a circle intersects the radius at the point of tangency at a right angle. |dw:1387392035354:dw|

OpenStudy (mathstudent55):

|dw:1387392739239:dw|

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