Answer:
In geometry, the circumference is the perimeter of a circle or ellipse. That is, the circumference would be the arc length of the circle, as if it were opened up and straightened out to a line segment. More generally, the perimeter is the curve length around any closed figure.
Step-by-step explanation:
The eastern roman empire/ Byzantine Empire fell in 1453. hopefully this helps.
Answer:
6
Step-by-step explanation:
Bruno(B)= 4.5× Charles(C)