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Bisect Angle

Page history last edited by Tim Fahlberg 10 years, 8 months ago

Home > Construct with GeoGebra -> Compass and Straightedge -> #6 Bisect an Angle


#6 Bisect an Angle - Basic C&S

 #5 Perpendicular #7 Parallel 

Given:  A angle α.

Goal:   Construct the ray that bisects α.

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 angle and then bisect it. 

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 #6: Bisect an angle
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, bisect
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

Home > Construct with GeoGebra -> Compass and Straightedge ->#6 Bisect an Angle 

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