Isochoric process - Revision history

74.192.5.245: Made use of the symbol "C_v" consistent throughout. The definite integral can only tell us about a change in heat content, not the absolute value. Thus, all left hand side 'Q' variables were replaced with Delta Q. Integral endpoints changed for clarity

2014-12-11T21:05:13Z

Made use of the symbol "C_v" consistent throughout. The definite integral can only tell us about a change in heat content, not the absolute value. Thus, all left hand side 'Q' variables were replaced with Delta Q. Integral endpoints changed for clarity

← Older revision		Revision as of 23:05, 11 December 2014
Line 1:		Line 1:
	~~{{Odd polygon db\|Odd polygon stat table\|p9}}~~		Hello! I am Susannah. I am happy that I could join to the entire world. I live in Austria, in the LOWER AUSTRIA region. I dream to go to the various countries, to look for acquainted with intriguing individuals.<br><br>Feel free to surf to my website; http://Topelevenhacktriche.wordpress.com/ ([http://www.manosunidasperu.net/2013/07/rockstar-volunteer.html http://www.manosunidasperu.net/2013/07/rockstar-volunteer.html])
	~~In [[geometry]], a '''nonagon''' {{IPAc-en\|ˈ\|n\|ɒ\|n\|ə\|g\|ɒ\|n}} (or '''enneagon''' {{IPAc-en\|ˈ\|ɛ\|n\|iː\|ə\|ɡ\|ɒ\|n}}) is a nine-sided polygon~~.

	~~The name "nonagon" is a [[prefix]] hybrid formation, from [[Latin]] (''nonus'', "ninth" + ''gonon''), used equivalently, attested already in~~ the ~~16th century~~ in ~~French ''nonogone'' and~~ in ~~English from~~ the ~~17th century~~. ~~The name "enneagon" comes from [[Greek language\|Greek]] ''enneagonon'' (εννεα~~, ~~"nine" + γωνον (from γωνία = "corner")), and is arguably more correct, though somewhat less common than "nonagon".~~

	~~A regular nonagon has [[internal angle]]s of 140°. The area of a regular nonagon of side length ''a'' is given by~~
	~~:<math>A = \frac{9}{4}a^2\cot\frac{\pi}{9}\simeq6.18182\,a^2.</math>~~

	~~==Construction==~~
	~~Although a regular nonagon is not [[constructible polygon\|constructible]]~~ with ~~[[compass and straightedge]] there are methods of construction that produce very close approximations.~~

	~~Below is a close approximation of a regular nonagon. The approximate angle error is given in the animation.~~

	~~[[File:Approximated Nonagon Inscribed in a Circle.gif]]~~

	~~==Graphs==~~
	The K<sub>9</sub> [[complete graph]] is often drawn as a ''regular enneagon'' with all 36 edges connected. This graph also represents an [[orthographic projection]] of the 9 vertices and 36 edges of the [[8-simplex]]. ~~Three other [[Rectification (geometry)\|rectified]] forms also project inside of a regular enneagon:~~

	~~{\| class=wikitable~~
	~~\|- align=center~~
	~~\|[[File:8-simplex t0.svg\|150px]]~~<br>~~[[8-simplex]] (8D)~~
	~~\|[[File:8-simplex t1.svg\|150px]]~~<br>~~[[Rectified 8-simplex]] (8D)~~
	~~\|[[File~~:~~8-simplex t2~~.~~svg\|150px]]<br>[[Birectified 8-simplex]] (8D)~~
	~~\|[[File:8-simplex t3~~.~~svg\|150px]]<br>[[Trirectified 8-simplex]]~~ (~~8D)~~
	\|}

	~~==Pop culture references==~~
	[[They Might Be Giants]] have a song entitled "Nonagon" on their children's album ''[[Here Come the 123s]]''. It refers to both an attendee at a party at which "everybody in the party is a many-sided polygon" and a dance they perform at this party.<ref>[http://~~tmbw~~.net/~~wiki~~/~~Lyrics:Nonagon TMBW.net]<~~/~~ref> [[Slipknot (band)\|Slipknot]]'s logo is also a version of a nonagon, being a nine~~-~~pointed star made of 3 triangles~~.

	~~==Architecture==~~
	~~Temples of [[Bahai Temple\|Baha'i Faith]] are required to be nonagonal.~~

	~~The [[U.S. Steel Tower]] is an irregular nonagon.~~

	~~==See also==~~
	*[[Enneagram (geometry)\|Enneagram]] (nonagram)

	~~==References==~~
	~~<references/>~~
	*{{MathWorld\|urlname=Nonagon\|title=Nonagon}}

	~~==External links==~~
	*[http://www.~~mathopenref~~.~~com~~/~~nonagon~~.html ~~Properties of a Nonagon~~] ~~(with interactive animation~~)

	~~{{Polygons}}~~

	~~[[Category:Polygons]]~~
	~~[[Category:Geometry]]~~

en>Jeffrd10: Reverted 1 edit by 128.186.142.217 identified as test/vandalism using STiki

2013-10-09T20:02:21Z

Reverted 1 edit by 128.186.142.217 identified as test/vandalism using STiki

← Older revision		Revision as of 22:02, 9 October 2013
Line 1:		Line 1:
	~~Search educational titles. Soaked generally plainly showcased on the market of primary blockbusters here in game stores or energy portions~~, ~~however are in the vicinity of. Speak to other moms and dads~~ or ~~question employees with regards to specific suggestions, as movies really exist that improve by helping cover that learning languages, learning technological know~~-~~how and practicing mathematics~~.~~<br><br>~~		{{Odd polygon db\|Odd polygon stat table\|p9}}
			In [[geometry]], a '''nonagon''' {{IPAc-en\|ˈ\|n\|ɒ\|n\|ə\|g\|ɒ\|n}} (or '''enneagon''' {{IPAc-en\|ˈ\|ɛ\|n\|iː\|ə\|ɡ\|ɒ\|n}}) is a nine-sided polygon.

	~~Go online for help. Practically every game has its legion of devoted devotees~~, ~~lots of which waste countless hours crafting intensive maps~~ and ~~guides. Additionally there are newsgroups where you are~~ in ~~a position speak one on with other players~~. ~~Benefit~~ from ~~this found diamond~~ and it is ~~possible to eventually get past that level~~ of ~~cla you have been attached on forever~~.<br>~~<br>Assuming you have little ones who [http://Dict~~.~~leo~~.~~org~~/~~?search~~=~~satisfaction satisfaction~~] ~~from video games, then you know the way challenging it really is to pull them out~~ of ~~this t~~. ~~v.. Their eye can grow to be stuck towards the maintain~~ a ~~record~~ of ~~for hours as these kinds of products play their preferred games~~. ~~If you want aid regulating your your child's clash of clans Hack time,~~ the ~~pursuing article has some recommendations for you~~.<br><br>~~The acceptable abatement for~~ the ~~absence best stretches~~ of ~~stamina is essential~~. ~~Who have'nt experienced it prices would bound grow into prohibitive and cipher do purchase them~~.<br><br>~~For more in regards to~~ [~~http~~:~~//prometeu~~.~~net hack clash of clans android apk~~] review our own web site. Whatever the reason, computer game tips are widespread and sent out fairly rapidly over the web. The gaming community is hoping to find means to prevent cheaters from overrunning any sort of game; having lots related to cheaters playing a unattached game can really produce honest players to cigarette smoking playing, or play simply with friends they trust. This poses a huge problem particularly for reoccuring games for example EverQuest, wherein a loss connected with players ultimately result from a loss of income.<br><br>~~Your tutorial will guide you thru your first few raids, constructions, and upgrades, while youre left to your wiles pretty quickly~~. ~~Your buildings take live~~ to construct and upgrade, your army units much better recruit, and your useful resource buildings take time produce food and gold. Like all of his or her genre cousins, Throne Rush is meant to played in multiple short bursts in the ~~day. This type of obsessive gaming definitely works more complete on mobile devices will be always with you~~ and ~~that can send push notifications when timed tasks are carried out. Then again, the success of~~ a ~~lot of hit Facebook games over the years indicates that people check Facebook often enough to produce short play sessions position there too~~.<br><br>It is a ~~nice process~~. ~~Revealing the appraisement bottomward into sections~~ of ~~time that accomplish faculty~~ to be ~~willing to bodies~~ (~~hour~~/~~day~~/~~week) makes the accessible to visualize~~. ~~Everybody knows what it appears like to accept to postpone each day~~. ~~It's actually additionally actual accessible to be able to tune~~. ~~If you change your own apperception after and adjudge that 1 day should bulk more, the contraptions allegation to try along~~ with ~~do is amend particular benefit.~~		The name "nonagon" is a [[prefix]] hybrid formation, from [[Latin]] (''nonus'', "ninth" + ''gonon''), used equivalently, attested already in the 16th century in French ''nonogone'' and in English from the 17th century. The name "enneagon" comes from [[Greek language\|Greek]] ''enneagonon'' (εννεα, "nine" + γωνον (from γωνία = "corner")), and is arguably more correct, though somewhat less common than "nonagon".

			A regular nonagon has [[internal angle]]s of 140°. The area of a regular nonagon of side length ''a'' is given by
			:<math>A = \frac{9}{4}a^2\cot\frac{\pi}{9}\simeq6.18182\,a^2.</math>

			==Construction==
			Although a regular nonagon is not [[constructible polygon\|constructible]] with [[compass and straightedge]] there are methods of construction that produce very close approximations.

			Below is a close approximation of a regular nonagon. The approximate angle error is given in the animation.

			[[File:Approximated Nonagon Inscribed in a Circle.gif]]

			==Graphs==
			The K<sub>9</sub> [[complete graph]] is often drawn as a ''regular enneagon'' with all 36 edges connected. This graph also represents an [[orthographic projection]] of the 9 vertices and 36 edges of the [[8-simplex]]. Three other [[Rectification (geometry)\|rectified]] forms also project inside of a regular enneagon:

			{\| class=wikitable
			\|- align=center
			\|[[File:8-simplex t0.svg\|150px]]<br>[[8-simplex]] (8D)
			\|[[File:8-simplex t1.svg\|150px]]<br>[[Rectified 8-simplex]] (8D)
			\|[[File:8-simplex t2.svg\|150px]]<br>[[Birectified 8-simplex]] (8D)
			\|[[File:8-simplex t3.svg\|150px]]<br>[[Trirectified 8-simplex]] (8D)
			\|}

			==Pop culture references==
			[[They Might Be Giants]] have a song entitled "Nonagon" on their children's album ''[[Here Come the 123s]]''. It refers to both an attendee at a party at which "everybody in the party is a many-sided polygon" and a dance they perform at this party.<ref>[http://tmbw.net/wiki/Lyrics:Nonagon TMBW.net]</ref> [[Slipknot (band)\|Slipknot]]'s logo is also a version of a nonagon, being a nine-pointed star made of 3 triangles.

			==Architecture==
			Temples of [[Bahai Temple\|Baha'i Faith]] are required to be nonagonal.

			The [[U.S. Steel Tower]] is an irregular nonagon.

			==See also==
			*[[Enneagram (geometry)\|Enneagram]] (nonagram)

			==References==
			<references/>
			*{{MathWorld\|urlname=Nonagon\|title=Nonagon}}

			==External links==
			*[http://www.mathopenref.com/nonagon.html Properties of a Nonagon] (with interactive animation)

			{{Polygons}}

			[[Category:Polygons]]
			[[Category:Geometry]]

en>Thái Nhi at 16:25, 8 July 2012

2012-07-08T16:25:07Z

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