The Arbelos

Steve Phelps, 李小東, 02/03/2015

This is a GeoGebraBook capturing some of the essential features and cool properties of an ArbelosG


  • 1. The Arbelos 2
  • 2. The Arbelos 3
  • 3. The Arbelos 4: The Inscribed Circle
  • 4. The Arbelos 5: The Bankoff Circle

1.

The Arbelos 2

The figure below is an Arbelos, which means shoemaker's knife in Greek. Segment BD is constructed perpendicular to diameter AC at B. A circle is constructed with BD as the diameter. Drag the [color=#1551b5]BLUE[/color] points in the figure below. Which property of an Arbelos is suggested by the sketch?
– Steve Phelps

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