In the given circle, arc AB and arc CD are congruent.
What is an arc?
An arc is the part or segment of the circumference of a circle.
Given, the arc AB formed angle of 30° at the center O of the circle.
Similarly, the arc CD formed angle of 30° at the center O of the circle.
We know, the arcs that form equal angles at the center are of equal lengths.
Therefore, arc AB and arc CD are congruent here.
Learn more about an arc here: https://brainly.com/question/12611897
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