---
tag: 055VNYT0PB
kind: concept
name: Perpendicular bisector
msc: [51M04]
sources:
  - url: https://en.wikipedia.org/wiki/Bisection
    locator: Perpendicular line segment bisector
---

## Summary

The perpendicular bisector of a segment passes through the midpoint of the segment at a right angle to it. In the plane it is a line, and in space it is a plane. Its points are exactly the points at the same distance from the two endpoints.