GeoGebra

Finding equation of perpendicular bisector between two points

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Use this applet to review how to find the equation of the perpendicular bisector between two points using the midpoint and gradient of normal method.

http://www.geogebra.org/en/upload/files/english/lewws/eqnofperpenbisectorsteps_v4.html

Alternate location of applet if the above is not able to run. https://sites.google.com/a/moe.edu.sg/dmnteachgeogebra/geogebra-lessons-pages/perpenbisector

You can use it for classroom demonstration of method or for pupils self directed learning

Perpend2.JPG