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Mathematics 13 Online
OpenStudy (anonymous):

Lines that appear to be tangent are tangent. O is the center of each circle. What is the value of x? it says 60 degrees

OpenStudy (anonymous):

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Directrix (directrix):

it says 60 degrees--> 60 degrees for what: angle or arc? ----------------- Is x the length of the minor arc? I am thinking that the 60 degree angle is an angle formed by two tangents drawn to a circle from an outside point.

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