What is the difference between a bisector and a perpendicular bisector?

1 Answer
Jan 9, 2016

A (segment) bisector is any segment, line, or ray that splits another segment into two congruent parts.

For example, in the picture, if bar(DE)congbar(EB), then bar(AC) is the bisector of bar(DC) since it split it into two equal sections.

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A perpendicular bisector is a special, more specific form of a segment bisector. In addition to splitting another segment into two equal parts, it also forms a right angle (90˚) with said segment.

Here, bar(DE) is the perpendicular bisector of bar(AC) since bar(AC) is split into two congruent segments—bar(AE) and bar(EC).

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