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File:Triangles (spherical geometry).jpg

Summary

Description
English: Illustration of spherical geometry where the angles of a triangle do not sum to 180°. The globe is an orthographic projection centered on Japan at 135°30' E, 36° N. The map is of Oga Peninsula, Akita, Japan at 139°52' E, 39°56' N. Landsat image with high-resolution data from Space Shuttle. This file is intended to replace File:Triangle on globe.jpg, a low-quality file with questionable copyright.
Date 9 September 2007
Source Own work, from source files Image:OgaPeninsulaAkiJpLandsat.jpg (GFDL) and Image:Orthographic Projection Japan.jpg (GFDL and CC-By-SA).
Author Lars H. Rohwedder, Sarregouset
Permission
( Reusing this file)

Dual-licensed under the GFDL and CC-By-SA, see below.

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I, the copyright holder of this work, hereby publish it under the following licenses:
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