which of the following reasons can you use to prove that ab and bc are congruent?

Answer:
Option A.
Step-by-step explanation:
That would be Option A as the 2 line segments are both radii of circle B.
Answer:
Option A
Step-by-step explanation:
In the given figure construction of the equilateral triangle has been done.
In which AC = AB, Since AC and AB are the radii of circle A.
AB = BC, AC and AB are the radii of circle B.
Since AC = AB and BC = AB
so Option A is the answer.