Tuesday, September 7, 2010

The Rolling Circle

Drag the center of a circle to determine the radius, then drag the slider to roll the circle.




















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)


1.) What do you observe?
2.) What conjecture can you make based on the relationship of the diameter and the circumference of the circle?

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