#56: Bisector, Circumcenter, Isosceles

Isosceles triangle ABC has circumcenter Q. BD is the bisector of angle B. What is angle ADQ?

About the Author

Dave Lindell, PS

Dave Lindell, PS, retired after 36 1/2 years with the City of Los Angeles. He keeps surveying part time to stay busy and keep out of trouble. He can be reached at dllindell@msn.com.