Geometry

The answer is A. .

 

1. Recall the correct notation for congruent segments:

When we talk about segments, we use the over - bar notation  to represent the segment with endpoints  and .

The symbol for congruence of geometric figures (including segments) is .

 

To say that segment  and segment  are congruent, the correct notation is . However, we also know that a segment  can be written as  (since a segment is defined by its two endpoints and the order of naming the endpoints does not change the segment itself). So, A. is also a correct way to represent that segment  and segment  are congruent.

 

B.The notation

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