Online Geometry Problems

Geometry Problem 622: Intersecting Circles, Concyclic Points, Centers, Radii.

The figure shows the intersecting circles A and B at points C and D. Line AC and circle B meet at E, line BC and circle A meet at F. Prove that the points A, E, F, B, and D are concyclic (lie on a same circle).
 

Intersecting Circles, Concyclic Points

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