Online Geometry Problems

Online Geometry Problem 770: Parallelogram, Angle Bisector, Triangle, Circumcenter, Circle, Circumcircle, Angle Measurement. Level: High School, College, Mathematics Education

The figure shows a parallelogram ABCD, the bisector of angle A meets CD at E and BC extended at F. If O is the circumcenter of triangle CEF and the measure of angle BOD is 72 degrees, find the measure of angle DBO.

Parallelogra, Angle Bisector, Triangle, Circumcenter, Circle, Angle


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