The reason that can be used to prove that AB and AC, are congruent is: B. AC and AB are both radii of circle A.
What is a Radius of a Circle?
The radius of a circle is the distance from the center of the circle to any point on the circumference of the circle.
AB and AC both represents the distance from the center of each circle A to the circle's circumference, which makes them congruent.
Therefore, the reason that can be used to prove that AB and AC, are congruent is: B. AC and AB are both radii of circle A.
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