Constructing the Normal Through a Point in GeoGebra

You can use GeoGebra to construct a normal through a point.

GeoGebra Instruction 1

1.
Open Graphics View under GeoGebra icon View in GeoGebra icon Menu.
2.
Click on Perpendicular Line GeoGebra icon by first clicking tool number 4, then tool number 1 in the drop-down list.
3.
Click the point you want to draw the normal from.
4.
Click the line you want to draw the normal to.

Screenshot of GeoGebra showing how to draw a perpendicular from a point to a line

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