Geometry Problems, Online Education

Problem 718: Intersecting Circles, Midpoint, Angle, Measurement. High School, College

In the figure below, the circles O and O' intersect at A and B. C and O' are on circle O. CO' meets the circle O' at D. If the measure of angle ACB is 50 degrees, find the measure of angle ADB.
 

Intersecting circles, Angles, Measurement, Midpoint
 

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