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DescriptionEuclid XIII.10.svg
English: Euclid XIII.10: The sides of a regular decagon, hexagon, and pentagon, inscribed in congruent circles, form a right triangle, half of a golden rectangle.
Date
Source Own work
Author David Eppstein

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current02:16, 3 January 2014 Thumbnail for version as of 02:16, 3 January 2014 417 ×ばつ 413 (2 KB)David Eppstein User created page with UploadWizard

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