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Topic: Decagon

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decagonal number

regular decagon

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	Decagon - Wikipedia, the free encyclopedia
		In geometry, a decagon is any polygon with ten sides and ten angles, and usually refers to a regular decagon, having all sides of equal length and all angles equal to 144°.
		A regular decagon is constructible with a straightedge and compass.
		The remaining five corners of the decagon are those points where the lines of step 2 cross the original circle (but not a pentagon corner).
	www.wikipedia.org /wiki/Decagon (159 words)

	Welcome to Decagon Partners, LLC (Site not responding. Last check: 2007-11-07)
		Decagon Partners, LLC was formed to provide strategic merger, acquisition and advisory services to small and mid-sized companies in the Southeast.
		Decagon Partners believes that the combination of proven business operators, strategic consulting and experience in the "art of the deal" will maximize the long- term value of a company to both the existing shareholders and to potential investors.
		The founders of Decagon Partners bring this combination of knowledge, operating experience and transaction skills to the benefit of their clients.
	deca.schorvitz.com /corp.php (341 words)

	Math Forum - Ask Dr. Math
		To construct a regular decagon, draw line segments from the center O of the pentagon to two consecutive vertices A and B and bisect the angle AOB.
		The method to construct a regular decagon (n = 10) is to construct a regular pentagon (n = 5) inscribed in a circle, and then construct the perpendicular bisectors of the five sides (these are also the bisectors of the five angles).
		The ten points where the five bisectors intersect the circle are the ten vertices of the decagon.
	mathforum.org /library/drmath/view/52463.html (745 words)

	The Daily Evergreen - Mars to get a piece of Pullman
		Decagon Devices’ thermal and electrical conductivity probe is part of the Jet Propulsion Laboratory’s Microscopy, Electrochemistry, and Conductivity Analyzer portion of the Phoenix Lander.
		The Phoenix Lander project’s goals are to verify the presence of water and habitable conditions, whether life ever arose on Mars, characterize the climate of Mars, characterize the geology of Mars and prepare for human exploration.
		Decagon Devices President Tamsin Campbell said while at an American Geophysicist Union trade show, somebody from the Jet Propulsion Laboratory stopped by their booth and learned they already had the needed technology.
	www.dailyevergreen.com /disp_story.php?storyId=12247 (542 words)

	Quasicrystals and Quasi-Unit Cell Paradigm
		In the new paradigm, the atomic structure of the decagonal phase is determined entirely by the atom decoration of the overlapping decagon tiles.
		The decagon tiles represent decagonal cluster columns in the three-dimensional quasicrystals structure.
		The reduction of a Penrose tiling or decagonal phase to a single-repeating cluster is a remarkable simplification.
	wwwphy.princeton.edu /~steinh/quasi (2837 words)

	Dynasty and The Decagon (Site not responding. Last check: 2007-11-07)
		THE clash over ground between the Cape's Dynasty and Gauteng's The Decagon is the clash that most of South Africa's racing enthusiasts have been waiting for.
		Both have impressive records and the handicapper has not been able to separate them on what he estimates their ability to be, rating them even at 109 on merit.
		While Dynasty and The Decagon could be disputing which of them is top-dog in the country, Tirano and Hilti will be making their presence felt in no uncertain terms.
	www.aro.co.za /NEWS/dynastyandthedecagon(article)2003.htm (445 words)

	ESA_sustaining (Site not responding. Last check: 2007-11-07)
		Decagon Devices was initially founded as a family business in 1983 by Dr Gaylon Campbell, a reknowned soil scientist and environmental biophysist at Washington State University, Pullman, WA, USA.
		For a small company, Decagon has become a fairly "big name" in the industries, research centers and universities that we serve.
		In environmental, plant and soil research, Decagon is recognized for providing an array of accurate, high quality and innexpensive instrumentation.
	www.esagr.org /structure/sustaining.htm (172 words)

	Zions Bank: Speaking on Business Idaho: Decagon Devices, Inc. - November 27, 2003 (Site not responding. Last check: 2007-11-07)
		Decagon Devices, Inc. located eight miles outside of Moscow in Pullman, Wash. specializes in manufacturing the instruments used by food producers to determine the shelf life of most food products.
		Other than AquaLab, Decagon Devices manufactures instruments capable of measuring "free" water in soil for plant use, light passing through canopies to seedlings, water drainage movement and a variety of other processes.
		Decagon Devices started in 1982, when Tamsin, the oldest of nine and first Decagon employee, was 16.
	www.zionsbancorporation.com /zionsbank/fb/fbid20031127.html (334 words)

	If mathematics could be used to calculate beauty (Site not responding. Last check: 2007-11-07)
		The Golden Decagon Matrix is not only the geometric "source code" for DNA, and hence life, but also of the "beautiful" human face as well.
		The face is entirely constructed from the golden decagon matrix configuration, hence all the "phi elements" appear in the face.
		It is these 42 Secondary Golden Decagon Matrices that ultimately give rise to the various features of the face.
	www.portfolio.mvm.ed.ac.uk /studentwebs/session4/57/mask.htm (209 words)

	Collectible and Antique Glassware, Depression, Patterns, Decagon on CYBERATTIC.
		These Cambridge Decagon Royal Blue (cobalt) cup/saucer sets are all in excellent condition and marked with the C in a triangle (pre 1935).
		This is the 11 1/2" console bowl in the Decagon line made by the Cambridge Glass Company in the 1930's and 1940's.
		A fantastic Cambridge Black Amethyst Decagon three piece Console set circa 1933, this beautiful example of Depression era Black glass consists of a #855 bowl that measures 11" in diameter and 2 7/8" tall and a pair of #627 candlesticks that measure 4" tall and are 4.75" across the base.
	www.cyberattic.com /directory/Glassware:Depression:Patterns:Decagon20.html (1067 words)

	Euclid's Elements, Book XIII, Proposition 16
		And, since QW belongs to a hexagon, and WZ to a decagon, and the angle QWZ is right, therefore QZ belongs to a pentagon.
		It is next required to comprehend it in the given sphere, and to prove that the side of the icosahedron is the irrational straight line called minor.
		Since VW belongs to a hexagon, and WZ to a decagon, therefore VZ is cut in extreme and mean ratio at W, and VW is its greater segment.
	aleph0.clarku.edu /~djoyce/java/elements/bookXIII/propXIII16.html (1404 words)

	PolygonPat Classroom Delicious Decagon
		To you and me there is nothing that Delicious Decagon is not.
		But to Delicious Decagon it is an entirely different story.
		Decagon for some time, and has become concerned and scared for
	www.ranters1811.com /polygonpat/ppclassroomdeliciousdecagon.html (281 words)

	Decagon
		Notice that the decagon is composed of two interlocking pentagons, BDFHJ in purple, and
		We know DI, the diameter of the circle surrounding the decagon, or twice the radius.
		It isn't surprising that there are so many Phi relationships in the decagon, it being composed of 2 interlocking pentagons.
	www.kjmaclean.com /Geometry/Decagon.html (1395 words)

	Decagon Devices: Soils Instrumentation (Site not responding. Last check: 2007-11-07)
		The Em5 is a 5-channel data collector that can be used with the ECHO probes, or a variety of other purpose-built sensors.
		Decagon's Gee water flux meter measures water and chemical infiltration from soils to underlying groundwater.
		It's installed inside the vadose zone and uses a simple mechanism to make accurate measurement of water movement in soil.
	www.hydraulicconductivity.com (265 words)

	Frederickson's Decagon to Pentagram (Site not responding. Last check: 2007-11-07)
		Greg Frederickson has made a study of hinged dissections and written some detailed books on the subject.
		This is his very fine"piano-hinged" double layer pentagram that folds into a double layer decagon.
		These photos may give you just enough information to cut some pieces out for yourself; but you will find it is a major extra puzzle to work out how to tape the edges so that it works.
	www.puzzlemuseum.com /month/picm04/200409pentagram.htm (89 words)

	Glass From The Past Glassware,Depression,Patterns Directory (Site not responding. Last check: 2007-11-07)
		This Cambridge Cleo light (Willow) blue 11.25" Decagon #977 Basket with 2 open handles turned up is in excellent condition; no chips, cracks, scratches, etc. Book value is $115.
		This Cambridge "Cleo" etched light "willow" blue 10.75" Decagon #870 center keyhole handled sandwich server tray is in excellent condition, no chips, cracks, scratches, etc. Cambridge Glass made items with the "Cleo" etch from 1921-1945.
		This Cambridge "Cleo" etched light "willow" blue cup/saucer sets on the Decagon blank (#866) is in excellent condition, no chips or cracks.
	www.glassfromthepast1.com /catalog/Glassware:Depression:Patterns520.html (583 words)

	Cambridge Ebony Decagon Ice Bucket (Site not responding. Last check: 2007-11-07)
		It has tabs on the side where the metal handle is connected.
		It is in the Decagon pattern made by Cambridge Glass during the 1930's and 1940's.
		It is in excellent condition with no chips or cracks or discoloration.
	www.marys-antiques.com /glass/gl_289.htm (137 words)

	definition of decagon
		All, And, Angles, Any, Decagon, Equal, Figure, Having, Has, Is, Its, One, Plane, Regular, Ten, That
		All, And, Angles, Any, Decagon, Equal, Figure, Has, Having, Is, Its, One, Plane, Regular, Sides, Ten, That
		All, Angles, Decagon, Is, Its, One, Plane, Regular, That
	www.brainydictionary.com /words/de/decagon151514.html (91 words)

	Cat's Whiskers Glass & Antiques- Cambridge Elegant Glass- For Sale
		Cambridge Cleo etch, Tumbler, Dinner Water, cone footed, 10 oz, with gold band trim on rim and foot.
		Cambridge Cleo etch, Pickle, Oval, 9", (on Decagon blank) (#1082)
		Cambridge Decagon, Cup and Saucer Set, Coffee w/indent Set, flat 6 oz.
	cwglass.net /cambridge.htm (1140 words)

	VESPA
		For the same reason UZ also belongs to a pentagon, inasmuch as, if we join VK, WU, they will be equal and opposite, and VK, being a radius, belongs to a hexagon;
		For, since VW belongs to a hexagon, and WZ to a decagon, therefore VZ has been cut in extreme and mean ratio at W, and VW is its greater segment; therefore as ZV is to VW, so is VW to WZ.
		But VW is equal to VE, and WZ to VX; therefore, as ZV is to VE, so is EV to VX.
	www.dform.com /projects/euclid/13_16 (1221 words)

	Define Decagon : powered by In Dictionary (InDicitonary.com) (Site not responding. Last check: 2007-11-07)
		Use the form below to search our dictionaries by entering a word you wish to define.
		"Decagon" gcide "The Collaborative International Dictionary of English v.0.48"
		decagon n : a polygon with 10 sides and 10 angles
	www.indictionary.com /define/Decagon (279 words)

	Cambridge DECAGON 8 1/2" Lunch Plates (5), Pink (Site not responding. Last check: 2007-11-07)
		Cambridge DECAGON 8 1/2" Lunch Plates (5), Pink
		This set of 5 8 1/2" Luncheon plates in pink (aka Peach Blo or Dianthus) Decagon is priced low because each of these plates has utensil marks (no chips or cracks, but the use marks are apparent).
		All marked with the C in a triangle (pre 1935); Cambridge made this pattern in the 1930s.
	www.cyberattic.com /stores/glassfrompast/items/267665/item267665cyberattic.html (70 words)

	decagon (Site not responding. Last check: 2007-11-07)
		How many diagonals may be drawn from one vertex of a decagon?
		How many diagonals may be drawn in a decagon?
		You are hereby granted permission to make ONE printed copy of this page and its picture(s) for your PERSONAL and not-for-profit use.
	www.mathnstuff.com /math/spoken/here/1words/d/d5.htm (73 words)

	Decagon (Site not responding. Last check: 2007-11-07)
		Shown here is a regular ten sided figure known as a regular decagon.
		Letting n = number of sides, Ea = external angle and Ia = internal angle.
		What is the measure of its external angle?
	www.ul.ie /~cahird/polyhedronmode/decagon.htm (70 words)

	flooble :: perplexus :: Shapes : Decagon
		Each side will be placed at an angle that results in a lowering, from one end to the other, of.5, sqrt(3)/2 or 1 times its own length.
		In fact the sequence of multipliers, on one side of the decagon, of the sides' lengths will be.5, sqrt(3)/2, 1, sqrt(3/2),.5, but with one missing, after the sole 120-degree angle on that side of the decagon.
		Similar considerations apply for the rational values of.5, 1 and the other.5 one either side.
	www.flooble.com /perplexus/show.php?pid=2804&cid=20681 (257 words)

	Decatur Ad Club: Decagon Awards
		Decatur Ad Club held its third annual Decagon Awards Ceremony Friday, May 10th at Marcia's Waterfront Restaurant.
		Decatur Ad Club is a local advertising professional's organization, which holds monthly meetings and a yearly advertising competition.
		To be eligible for a Decagon Award, the marketing communications material must have been printed, published or aired for the first time between January 1, 2001 and December 31, 2001.
	www.decaturadclub.org /decagon_awards_2001.htm (199 words)

	Cambridge Decagon - Amethyst Crystal at Connected Collector (Site not responding. Last check: 2007-11-07)
		We can also contact you when we find more Decagon - Amethyst by Cambridge.
		If you would like us to contact you after your replacements are located, please register with us.
		Click here to register for Cambridge Decagon - Amethyst.
	www.connectedcollector.com /replacements/Cambridge_Crystal/Decagon_-_Amethyst_.htm (93 words)

	Cambridge Decagon Luncheon Plate - Pink (Elegant Glass) at The Glass Cupboard (Site not responding. Last check: 2007-11-07)
		The Decagon pattern by Cambridge Glass Company is one of their most easily recognized designs.
		While it's often found with different etched designs, Decagon unadorned is admired for its clean lines and simple elegance.
		Offered here is the 8 inch plate in Peach-Blo (Cambridge name for the soft pink seen here.) Excellent condition, I have 4 available.
	cache.tias.com /2/PictPage/1920743724.html (97 words)

	eForms free download by Decagon Internacional S.L.: eFORMS is an easy to use program that creates online forms for the ...
		eForms free download by Decagon Internacional S.L.: eFORMS is an easy to use program that creates online forms for the world wide web.
		It generates scripts that will send the completed forms to webmasters or the departments that the potential customer wants to contact.
		Web page designers who are not also advanced programmers can use eFORMS to create the online forms for their web pages, instead of outsourcing the work to programmers or trying to use all kinds of complicated source codes.
	www.softpile.com /Development/Web/Review_35429_index.html (189 words)

	Cambridge Decagon - Blue Crystal at Connected Collector (Site not responding. Last check: 2007-11-07)
		Thank you for looking here to find Decagon - Blue by Cambridge.
		We can also contact you when we find more Decagon - Blue by Cambridge.
		Click here to register for Cambridge Decagon - Blue.
	www.connectedcollector.com /replacements/Cambridge_Crystal/Decagon_-_Blue_.htm (93 words)

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