# The Arbelos 3

- Author:
- Steve Phelps

- Topic:
- Geometry

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 BLUE points in the figure below. Which property of an Arbelos
is suggested by the sketch?

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