# The Geometry of the Sphere by John C. Polking

The Geometry of the Sphere
by

Publisher: Rice University
Number of pages: 310

Description:
We are interested here in the geometry of an ordinary sphere. In plane geometry we study points, lines, triangles, polygons, etc. On the sphere we have points, but there are no straight lines. Therefore it is natural to use great circles as replacements for lines. Then we can talk about triangles and polygons and other geometrical objects.

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