The Spherical Nine Point Circle

The Nine Point Circle is the unique circle that passes through the midpoints of the sides of a triangle. This construction is mimicked on a spherical triangle in the sketch below. The red points are the midpoints. The green circle is the Nine Point Circle.

 

Steve Phelps

 
Type de ressources
Activité
Balises
modspar 
Tranche d'âges
14 – 18
Langue
English (United States)
 
 
 
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