Regular Pentagon Construction

Walk through the Regular Pentagon Construction in the sketch below. Then mimic the construction in the blank GeoGebra window.
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)


 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)
Steve Phelps, Created with GeoGebra