File:Disk pack8.svg

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R = r * ( 2 / sin(pi/7) + 1 )

English: Optimal circle packing (for the circles in circles problem, case n=8). Proved optimal by Pirl in 1969. U. Pirl, Der Mindestabstand von n in der Einheitskreisscheibe gelegenen Punkten, Math. Nachr. 40 (1969) 111-124.
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Author Koko90

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I, the copyright holder of this work, hereby publish it under the following licenses:
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Date/TimeThumbnailDimensionsUserComment
current21:11, 10 April 2017Thumbnail for version as of 21:11, 10 April 2017340 × 340 (885 bytes)Antonsusi (talk | contribs)code
10:38, 1 April 2017Thumbnail for version as of 10:38, 1 April 2017334 × 334 (914 bytes)Antonsusi (talk | contribs)validizing
11:17, 16 February 2011Thumbnail for version as of 11:17, 16 February 2011332 × 332 (822 bytes)Koko90 (talk | contribs){{Information |Description ={{en|1=Optimal circle packing (for the circles in circles problem, case ''n''=8). Proved optimal by Pirl in 1969. U. Pirl, ''Der Mindestabstand von n in der Einheitskreisscheibe gelegenen Punkten'', Math. Nachr. 40 (1969) 11

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