Geometry

The answer is A. .

 

1. Recall the concept of congruent line - segments:

In a geometric diagram, congruent line - segments are indicated by the same number of tick marks.

Line - segment has one tick mark.

Line - segment has one tick mark.

Line - segment has two tick marks.

Line - segment has two tick marks.

 

2. Analyze each option:

A: . Since both and have one tick mark, they are congruent. This statement is True.

 

B: . has one tick mark and has two tick marks. So, and