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Image: Triangles (spherical geometry)

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Original image ‎(2,489 × 2,048 pixels, file size: 2.14 MB, MIME type: image/jpeg)

Description: 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.
Title: Triangles (spherical geometry)
Credit: 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: Dual-licensed under the GFDL and CC-By-SA, see below.
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes

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