Constructing the Perpendicular Bisector of a Line Segment

The perpendicular bisector of a line segment is the line which is perpendicular to a given line segment and which divides it into two equal line segments. How to construct the perpendicular bisector of a line segment (by using just a straightedge and compass, without a triangle)? Find the answer in this video. Construction on paper. Video without words. My math materials in English: http://www.antonija-horvatek.from.hr/... . My (whole) website: http://www.antonija-horvatek.from.hr/ . Thanks to Rex Boggs, Rockhampton Grammar School, Australia (http://bit.ly/rexboggs ) for help with the English translation. Music by longzijun, http://longzijun.wordpress.com/ . Terms of use allow for free use in monetized YouTube videos: https://longzijun.wordpress.com/music... . Similar words: Bisecting a line segment.