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File:Regular polygon 9 annotated.svg

Original file (SVG file, nominally 508 × 509 pixels, file size: 17 KB)

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Summary

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Description
English: Regular nonagon with annotation.
Date
Source Own work
Author László Németh
Other versions
  • Letter "s" added.
    Letter "s" added.
  • Regular 3-gon
    Regular 3-gon
  • Regular 4-gon
    Regular 4-gon
  • Regular 5-gon
    Regular 5-gon
  • Regular 6-gon
    Regular 6-gon
  • Regular 7-gon
    Regular 7-gon
  • Regular 8-gon
    Regular 8-gon
  • Regular 9-gon
    Regular 9-gon
  • Regular 10-gon
    Regular 10-gon
  • Regular 11-gon
    Regular 11-gon
  • Regular 12-gon
    Regular 12-gon
  • Regular 13-gon
    Regular 13-gon
  • Regular 14-gon
    Regular 14-gon
  • Regular 15-gon
    Regular 15-gon
  • Regular 16-gon
    Regular 16-gon
  • Regular 17-gon
    Regular 17-gon
  • Regular 18-gon
    Regular 18-gon
  • Regular 19-gon
    Regular 19-gon
  • Regular 20-gon
    Regular 20-gon
SVG development
InfoField
 
The SVG code is valid.
 
This geometry was created with OpenOffice.org.
 
; Created in LibreOffice 4 with this LibreLogo program.
; Usage: Copy it in an English language document in LibO Writer,
; and click on the Start icon of the View»Toolbar»Logo toolbar.
FONTSIZE 22 FONTFAMILY “Nimbus Sans L”
FOR vertices IN [3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20] [
;    PICTURE “regular_polygon_%d_annotated.svg” % vertices [ ; from LibO 4.1.1
    PICTURE [
	HOME CLEARSCREEN HIDETURTLE
	FILLCOLOR “WHITE” PENCOLOR “SILVER” 
	PENDOWN PENSIZE 2 CIRCLE 400
	β = 360/vertices
	CIRCLE [80   vertices * 10, 80   vertices * 10, 0, β]
	FONTCOLOR “SILVER”
	IF vertices >= 18 [ f = 0.011 ] [ f = 0.013 ]
	HEADING β*0.57 PENUP FORWARD (80   vertices * 10) * (0.23   (f * vertices))
	HEADING 0 LABEL “%d°” % β
	HOME HEADING 0 PENDOWN
	dots = []
	REPEAT vertices [
		FORWARD 200
		where = POSITION
		dots = dots   [where]
		BACK 200 RIGHT β
	]
	HOME
	PENSIZE 2 CIRCLE 10
	PENCOLOR “BLACK” FONTCOLOR “BLACK”
	α = ((vertices-2)/vertices)*180
	PENUP FORWARD 200 PENDOWN
	CIRCLE [90   105/vertices, 90   105/vertices, 180 – α/2, 180   α/2]
	PENUP BACK 20   70/vertices LABEL “%d°” %  α
	HOME PENUP PENSIZE 4 PENUP
	FOR i IN dots   dots[0:1] [ POSITION i PENDOWN ] PENSIZE 2
	FOR i IN dots [ PENUP POSITION i PENDOWN CIRCLE 10 ]
    ]
]

Licensing

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László Németh, the copyright holder of this work, hereby publishes it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

File history

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Date/TimeThumbnailDimensionsUserComment
current21:13, 18 July 2013Thumbnail for version as of 21:13, 18 July 2013508 × 509 (17 KB)Nl74 (talk | contribs)valid SVG
13:33, 17 July 2013Thumbnail for version as of 13:33, 17 July 2013508 × 509 (17 KB)Nl74 (talk | contribs)User created page with UploadWizard

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