A Segment Bisector is a line or a ray or a segment that divides a line segment into two equal parts.
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Congruent segments are simply line segments that are equal in length. Congruent means equal. Congruent line segments are usually indicated by drawing the same amount of little tic lines in the middle of the segments, perpendicular to the segments.
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In the given figure, the line segment DE is the bisector of the segment AC as it intersects the line segment AC at its midpoint B.
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On your desk, you may find an example of a line segment: a pencil or writing pen. Both has definite endpoints at both ends. Sit down to eat dinner and you may see congruent line segments: the sides of your square dining table.
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In this lesson, you will learn the definition of congruent segments. You will be given examples of congruent segments to further your understanding of the material. Following this lesson will be a brief quiz to test your new knowledge on this subject.
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Before you begin the quiz, review why and how a line segment is different from a line and ray. Keep in mind that congruent line segments need not be parallel or perpendicular to each other. They just need to be equal in length. Also, review the real life examples of a line, ray and line segment in this lesson. Remember how we write line segments in geometry and what the congruence symbol looks like. To unlock this lesson you must be a Study.com Member.
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The rows resemble line segments. S Lines, Rays, Segments Words A line is a straight set of points that extend in opposite directions without ending. Model A B line AB or ˜AB˚ ˛ Words A ray is a part of a line that has one endpoint and extends in one direction without ending. Model endpoint A B ray AB or AB ˚˚˛ Words A line segment is a part of a line between two endpoints. Model endpoint A B AB EXAMPLES Identify Lines, Rays, or Line Segments Identify each figure. 1 XY 2 A B The figure extends in This figure has one opposite directions without endpoint and extendsending.
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http://www.icoachmath.com/math_dictionary/segment_bisector.html
1 Step 1: Line l divides AB into two equal parts and O is the midpoint of AB. [ 2 As the segment bisector passes through the midpoint of the segment.]. 3  Step 2: AB = 2(AO) = 2(6) = 12 [Substitute AO = 6.]. 4  Step 3: So, the length of AB is 12 units.
http://www.icoachmath.com/math_dictionary/segment_bisector.html
more ... The part of a line that connects two points. It has definite end points. Adding the word segment is important, because a line normally extends in both directions without end. Try moving points A and B: See: Line.
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segment math definition
In mathematics, a segment is a a part of a line between two endpoints. Segment is a part of a line between two endpoints. The definition of segment math is a part of a line between two endpoints.