The correct reason to prove that AB and BC are congruent is:
AB and BC are both radii of the circle B.
The correct answer is an option (C)
"It is the distance from the center of the circle to any point on it's circumference. "
"It is a triangle whose all sides are equal in length angle all angles measure 60 degrees."
For given question,
We have been given the straightedge and compass construction of the equilateral triangle.
From figure we can observe that AB and BC are radii of the circle B.
So, AB and BC are congruent.
Therefore, the correct reason to prove that AB and BC are congruent is:
AB and BC are both radii of the circle B.
The correct answer is an option (C)
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