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Geometry 19 Online
OpenStudy (anonymous):

Angle C is an inscribed angle of circle P. Angle C measures (20x – 5)° and arc AB measures (30x + 30)°. Find the measure of arc AB.

OpenStudy (anonymous):

The measurement of the arc of an inscribed circle is twice the measurement of the inscribed circle.

OpenStudy (anonymous):

Therefore (30x + 30) = 2(20x -5) Solve for x, Then to find the measurement of the arc, plug in the value of x to 30x + 30

Directrix (directrix):

@simplyshai12 Please post a diagram so that the location of arc AB can be seen. It is NOT given that angle C cuts off (intercepts) arc AB.

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