The Arbelos 4: The Inscribed Circle

The figure below is an Arbelos, which means shoemaker's knife in Greek. The grey circle is the Inscribed Circle of the Arbelos. Drag the blue points. The red circles suggest a way to construct the inscribed circle. How should the inscribed circle be constructed?

 

Steve Phelps

 
Resource Type
Activity
Tags
arbelos  circle  geometry 
Target Group (Age)
14 – 18
Language
English
 
 
 
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