In The Diagram, Point O Is The Center Of The Circle And Madb = 43°. If Maob = Mboc, What Is Mbdc?

In The Diagram, Point O Is The Center Of The Circle And Madb = 43°. If Maob = M… Read more In The Diagram, Point O Is The Center Of The Circle And Madb = 43°. If Maob = Mboc, What Is Mbdc?