I think it is 50°. If 130 is also the angle of elevation, then it is also the angle of depression. So the two angles up there (depression and x) equal 180 so - 130 = 50.
Answer:
I think what each document days about that time in history
The byzantine empire lost Rome. Rome was claimed by the byzantines in the 6th century and in the 6th century was given to the papacy as the major seat and capitol of the papal state