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Geometry On the Sphere (Geometry and the Imagination)

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Visit this site: http://geom.math.uiuc.edu/docs/education/institute91/handouts/node16.html
Author:Conway, Doyle, Gilman, Thurston; The Geometry Center
Description: Great circles on the sphere are the analogs of straight lines in the plane. Such curves are often called geodesics. A spherical triangle is a region of the sphere bounded by three arcs of geodesics... Geometry on the surface of the sphere will come in handy later on for Descartes' angle-defect formula.
Levels: Elementary, Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Lesson Plans and Activities
Math Topics: Elliptic & Spherical Geometry

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