Rolling Circles with Points and Lines
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A circle rolls inside or outside another circle. A point and a line are attached to the rolling circle. The positions of the lines and points are shown at regular intervals as the rolling circle completes a full turn.
Contributed by: Sándor Kabai (September 2007)
Open content licensed under CC BY-NC-SA
"Rolling Circles with Points and Lines"
Wolfram Demonstrations Project
Published: September 6 2007