The length of segment AB (A(2,6), B(0,3)) and CD (C(-1,0), D(1,3)) is the square-root of 13. The two segments are congruent.
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Segments of equal length are congruent segments. Shapes can also be congruent if their side lengths and angle measures are equal with each other.
If two segments are of equal length, then we call them congruent segments. Congruency is used when we do not know the specific length or measure, but instead we are dealing with unknown values. In other words, if I know that segment AB=8, I cannot say that AB is congruent to 8 since 8 is a specific value. I could say that segment AB is congruent to another segment, maybe segment BC but it would be improper to say that a segment is congruent to a specific value.
Line segments are congruent if they have the same length.
The answer to, "Segments that have the same length" Is Congruent Segments!
If two line segments are congruent then they have the same length.