Home > Construct with GeoGebra -> Compass and Straightedge -> #5 Construct a Perpendicular (Normal)
Given: A line m with a point A on m.
Goal: Construct a line n perpendicular (normal) to m and passing through A.
YouTube Mathcast or
ScreenCast Mathcast (if YT is blocked)
Exploring Interactivity: Watch and then explore the construction Directions for InterActivity
1. Click on Play to see the construction unfold.
2. Select the Move tool and click & drag points A and/or B. The line n is always perpendicular (normal) to n.
Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now )
DIY GeoGebra Interactivity: Construct a perpendicular Directions for Interactivity (opens in new window)
Go for it! Construct an line perpendicular to m and passing through point A on m.
Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now )
Metadata
Global
Compass and Straightedge Constructions with GeoGebra
Brief
Construction #5: Construct a perpendicular (normal)
Grade
5th-Geometry
Strand
Measurement and Geometry, Geometry
Standards
CA 5.MG.2.7 - CA 7.MG.3.1 - CA Geometry 16.0
Keywords
construction, straightedge, compass, ruler, geogebra, geometry, angle, triangle, segment, copy, perpendicular, normal
Comments
none
Download
You can download everything; a zip is in progress ...
Author
LFS - contact
Type
Freeware - Available for Offline and Online Use - Translatable (html)
Use
Requires sunJava player
geometric, construct, construction, straightedge, compass, ruler, geogebra, application, geometry, program
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