The Do Nothing Machine

Keith Dreiling Fort Hays State University, Hays, Kansas

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The Trammel of Archimedes traces an ellipse as the machine’s lever is rotated. Specific measurements of the machine are used to compare the machine’s actions on GeoGebra with the graph of the ellipse and an ellipse formed by the string method.

GeoGebra 1


GeoGebra 2


GeoGebra 3


GeoGebra 4

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