Wednesday, August 15, 2012

Parabola by Definition

Move point C and observe what happens. 

This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com
Guillermo Bautista, Created with GeoGebra

The green trace generated by point D is a parabola.  A parabola is the set of points equidistant from a given point (focus) and from a given point (directrix). In the applet above, point B is the locus and the red line is the directrix. 

Snapshot





2 comments:

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