DescriptionRegular polygon 9 annotated.svg	English: Regular nonagon with annotation.
Date	17 July 2013, 15:13:07
Source	Own work
Author	László Németh
Other versions	Letter "s" added. Regular 3-gon Regular 4-gon Regular 5-gon Regular 6-gon Regular 7-gon Regular 8-gon Regular 9-gon Regular 10-gon Regular 11-gon Regular 12-gon Regular 13-gon Regular 14-gon Regular 15-gon Regular 16-gon Regular 17-gon Regular 18-gon Regular 19-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 ]     ] ] 

László Németh, the copyright holder of this work, hereby publishes it under the following license:

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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. http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse