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"decagon" Definitions
  1. a flat shape with ten straight sides and ten angles

55 Sentences With "decagon"

How to use decagon in a sentence? Find typical usage patterns (collocations)/phrases/context for "decagon" and check conjugation/comparative form for "decagon". Mastering all the usages of "decagon" from sentence examples published by news publications.

But perhaps more surprising than the "love decagon" and "triangle" that are promised is Demi Burnett's romance with a mystery woman.
Klarman's hedge fund, Baupost, owned $911 million of the island's bonds through Decagon Holdings entities, according to a July public court filing.
Klarman's hedge fund, Baupost, owns $911 million of the island's bonds through Decagon Holdings entities, according to a July public court filing.
The Boston-based fund, run by Seth Klarman, made its bets through a Delaware-based corporation called Decagon Holdings, thereby shielding its name.
To further personalize the service, MIPAD partnered with Decagon Institute to deploy data science and artificial intelligence to identify and geo-tag trees planted using blockchain technology.
On the second episode, he finds himself caught up in a "love decagon," and Blake quickly becomes the man that none of the ladies want anything to do with.
Two months ago, the group of hedge funds that hold about $3 billion of CONFINA bonds detailed who owns how much with Decagon Holdings being listed as the largest owner.
In geometry, a decagon (from the Greek δέκα déka and γωνία gonía, "ten angles") is a ten-sided polygon or 10-gon.. The total sum of the interior angles of a simple decagon is 1440°. A self-intersecting regular decagon is known as a decagram.
Join these points to the adjacent new points to form the decagon.
160px A regular triangle, decagon, and pentadecagon can not completely fill a plane vertex.
A regular decagon has all sides of equal length and each internal angle will always be equal to 144°. Its Schläfli symbol is {10} . and can also be constructed as a truncated pentagon, t{5}, a quasiregular decagon alternating two types of edges.
Each subgroup symmetry allows one or more degrees of freedom for irregular forms. Only the g10 subgroup has no degrees of freedom but can seen as directed edges. The highest symmetry irregular decagons are d10, an isogonal decagon constructed by five mirrors which can alternate long and short edges, and p10, an isotoxal decagon, constructed with equal edge lengths, but vertices alternating two different internal angles. These two forms are duals of each other and have half the symmetry order of the regular decagon.
Jazz served as the "Official Voice of the Decagon" for the World Series of Fighting that aired on NBCSN and NBC.
Symmetries of a regular decagon. Vertices are colored by their symmetry positions. Blue mirrors are drawn through vertices, and purple mirrors are drawn through edges. Gyration orders are given in the center. The regular decagon has Dih10 symmetry, order 20. There are 3 subgroup dihedral symmetries: Dih5, Dih2, and Dih1, and 4 cyclic group symmetries: Z10, Z5, Z2, and Z1.
As 10 = 2 × 5, a power of two times a Fermat prime, it follows that a regular decagon is constructible using compass and straightedge, or by an edge- bisection of a regular pentagon.. An alternative (but similar) method is as follows: #Construct a pentagon in a circle by one of the methods shown in constructing a pentagon. #Extend a line from each vertex of the pentagon through the center of the circle to the opposite side of that same circle. Where each line cuts the circle is a vertex of the decagon. #The five corners of the pentagon constitute alternate corners of the decagon.
The last level of reality is the three bottom rectangles that represent the reality of music within the canons of this variation. The calligraphy among the back of this canvas is the artistic signature of Elena Presser. Variation 29, 1984: This is a mixed media that includes handcrafted paper, pencil, thread, and pastel. On the middle there is a pentagon with a decagon inside, and inside that decagon there is star with 10 peaks, and inside that start there is a circle.
If all of the diagonals of a regular decagon are drawn, the resulting figure will have exactly 220 regions. It is the sum of the sums of the divisors of the first 16 positive integers.
Gracie returned to the WSOF decagon on July 5, 2014 at World Series of Fighting 11: Gaethje vs. Newell, facing Dustin Holyko. He again won the fight via submission, this time in the second round.
The great duoantiprism can be constructed from a nonuniform variant of the 10-10/3 duoprism (a duoprism of a decagon and a decagram) where the decagram's edge length is around 1.618 (golden ratio) times the edge length of the decagon via an alternation process. The decagonal prisms alternate into pentagonal antiprisms, the decagrammic prisms alternate into pentagrammic crossed-antiprisms with new regular tetrahedra created at the deleted vertices. This is the only uniform solution for the p-q duoantiprism aside from the regular 16-cell (as a 2-2 duoantiprism).
Euclid gives an alternative construction of the golden rectangle using three polygons circumscribed by congruent circles: a regular decagon, hexagon, and pentagon. The respective lengths a, b, and c of the sides of these three polygons satisfy the equation a2 + b2 = c2, so line segments with these lengths form a right triangle (by the converse of the Pythagorean theorem). The ratio of the side length of the hexagon to the decagon is the golden ratio, so this triangle forms half of a golden rectangle.Euclid, Elements, Book XIII, Proposition 10.
These 8 symmetries can be seen in 10 distinct symmetries on the decagon, a larger number because the lines of reflections can either pass through vertices or edges. John Conway labels these by a letter and group order.
The church faces northeast. The roomy hall has a choir end with five sides of a decagon. The walls are unstructured because of the galleries. The wooden ceiling has a very flat cap vault over semicircular shield arches.
3D model a pentagonal cupola In geometry, the pentagonal cupola is one of the Johnson solids (J5). It can be obtained as a slice of the rhombicosidodecahedron. The pentagonal cupola consists of 5 equilateral triangles, 5 squares, 1 pentagon, and 1 decagon.
Clarke is unlikely to have seen Hutton's description. Argentina decagon Clarke, 1879: Silverside, Argentina elongata (Hutton, 1879); New Zealand, by Frank Edward Clarke. Purchased 1921. Te Papa (1992-0035-2278/43) Some time in or around 1894 Clarke was transferred from the Survey Department in Westland.
In geometry, the truncated tetrahexagonal tiling is a semiregular tiling of the hyperbolic plane. There are one square, one decagon, and one dodecagon on each vertex. It has Schläfli symbol of t0,1,2{6,5}. Its name is somewhat misleading: literal geometric truncation of pentahexagonal tiling produces rectangles instead of squares.
Two intersecting girih cross each edge of a tile. Most tiles have a unique pattern of girih inside the tile that are continuous and follow the symmetry of the tile. However, the decagon has two possible girih patterns one of which has only fivefold rather than tenfold rotational symmetry.
Soil moisture sensors are used in numerous research applications, e.g. in agricultural science and horticulture including irrigation planning, climate research, or environmental science including solute transport studies and as auxiliary sensors for soil respiration measurements.Decagon Devices "List of peer-reviewed publications using Decagon soil moisture sensors". Retrieved: 20 July 2015.
Johnson, Anthony, Solving Stonehenge: The New Key to an Ancient Enigma. (Thames & Hudson, 2008) It has now been clearly demonstrated that both the form and decorative elements of these lozenges were based on geometric designs. The Clandon example was created with decagon based geometry, the Bush Barrow example was based on a hexagon.
Inscriptions date construction to the 5th century under a Flavio Costanzo. The layout is that of a decagon with an octagonal drum. The building still retains an octagonal baptismal font and 6th century mosaics with allegorical symbols of Christ such as the Labarum (Chi - Rho) and the Alpha and Omega. The walls have traces of 15th-century frescoes.
In geometry, a decagram is a 10-point star polygon. There is one regular decagram, containing the vertices of a regular decagon, but connected by every third point. Its Schläfli symbol is {10/3}.. The name decagram combines a numeral prefix, deca-, with the Greek suffix -gram. The -gram suffix derives from γραμμῆς (grammēs) meaning a line.
The central pentagon region can be considered interior or exterior depending on how interior is defined. One definition of interior is the set of points that have a ray that crosses the boundary an odd number of times to escape the perimeter. In either case, it is best to show the pentagram boundary line to distinguish it from a concave decagon.
The pre-Fire church was rectangular. After the Fire, the City appropriated the northwest corner of the church for widening Threadneedle Street. This left an irregular site on which to build, which Wren dealt with by rebuilding St Benet's to a decagonal plan. On top of the decagon sat an oval dome with a lantern, supported from within by six arches.
Dividing a line segment by exterior division according to the golden ratio # Draw a line segment AS and construct off the point S a segment SC perpendicular to AS and with the same length as AS. # Do bisect the line segment AS with M. # A circular arc around M with radius MC intersects in point B the straight line through points A and S (also known as the extension of AS). The ratio of AS to the constructed segment SB is the golden ratio. Application examples you can see in the articles Pentagon with a given side length, Decagon with given circumcircle and Decagon with a given side length. Both of the above displayed different algorithms produce geometric constructions that determine two aligned line segments where the ratio of the longer one to the shorter one is the golden ratio.
Megatron eventually managed to tell Starscream to attack Omega Supreme, as a distraction tactic. Later, Starscream was ready to sound a retreat, which Megatron overrode by threatening to execute any retreating Decepticon. In the follow up Autobot Campaign, Starscream fought his former ally Jetfire and Silverbolt, and attacked Optimus's group in the Decagon. However, Starscream was injured by Optimus's axe and forced to retreat.
The "Holy Steps" building The octagonal central nave is vaulted with Late Gothic brick vaulting supported by stone ribs that create the sophisticated star figure. The polygonal presbytery is enclosed by the six sides of the decagon and vaulted with the Gothic rib- supported vault. The vault is 22.8 meter in width. On the opposite side there is a bell tower adjacent to the nave.
The choir was closed with a semi-circular apse, which was encased within a half decagon. A two-story outer crypt was connected to the choir, the west walls of which formed the east walls of the side choirs. Towers next to the altar room gave direct access to the crypt. The near choirs contained matronea, which were open to the transepts and the main choir.
There is another great circle path of interest that alternately passes through opposing cell vertices, then along an edge. This path consists of 6 cells and 6 edges. Both the above great circle paths have dual great circle paths in the 600-cell. The 10 cell face to face path above maps to a 10 vertices path solely traversing along edges in the 600-cell, forming a decagon.
The Thermal and Electrical Conductivity Probe (TECP) with four metal sensing needles mounted in a plastic head. The MECA contains a Thermal and Electrical Conductivity Probe (TECP). The TECP, designed by Decagon Devices, has four probes that made the following measurements: Martian soil temperature, relative humidity, thermal conductivity, electrical conductivity, dielectric permittivity, wind speed, and atmospheric temperature. Three of the four probes have tiny heating elements and temperature sensors inside them.
The same triangle forms half of a golden rectangle. It may also be found within a regular icosahedron of side length c: the shortest line segment from any vertex V to the plane of its five neighbors has length a, and the endpoints of this line segment together with any of the neighbors of V form the vertices of a right triangle with sides a, b, and c.nLab: pentagon decagon hexagon identity.
A five-pointed star A five-pointed star (☆), geometrically a regular concave decagon, is a common ideogram in modern culture. Comparatively rare in classical heraldry, it was notably introduced for the flag of the United States in the Flag Act of 1777 and since has become widely used in flags. It has also become a symbol of fame or "stardom" in Western culture, among other uses. If the collinear edges are joined together a pentagram is produced.
Islamic art makes use of geometric patterns and symmetries in many of its art forms, notably in girih tilings. These are formed using a set of five tile shapes, namely a regular decagon, an elongated hexagon, a bow tie, a rhombus, and a regular pentagon. All the sides of these tiles have the same length; and all their angles are multiples of 36° (π/5 radians), offering fivefold and tenfold symmetries. The tiles are decorated with strapwork lines (girih), generally more visible than the tile boundaries.
Built as an elongated decagon, the church had a lighter and graceful look. The square central space was surrounded by elliptical side aisles supported by columns. The wooden pulpit dated from 1737, while the tassel-decorated organ was made in 1739. The central archive in Berlin of the Evangelical Church in Germany contains artifacts from the church, including a gilded silver goblet (1690 by Paul Müller), a copy of the goblet (1749 by Cornelius Muerkerk), and a gilded ciborium of silver (1699 by Paul Müller).
Euclid showed in Book XIII, Proposition 10 of his Elements that the area of the square on the side of a regular pentagon inscribed in a circle is equal to the sum of the areas of the squares on the sides of the regular hexagon and the regular decagon inscribed in the same circle. In the language of modern trigonometry, this says: :\sin^2 18^\circ +\sin^2 30^\circ =\sin^2 36^\circ . Ptolemy used this proposition to compute some angles in his table of chords.
The oblong decagon of today's St. Gereon's Basilica in Cologne, Germany, was built upon an extraordinary and richly decorated 4th century Roman building with an apse, semi-domed niches, and dome. A church built in the city's northern cemetery, its original dedication is unknown. It may have been built by Julianus, the governor of Gaul from 355 to 360 who would later become emperor, as a mausoleum for his family. The oval space may have been patterned after imperial audience halls or buildings such as the Temple of Minerva Medica.
Matthias designed the overall layout of the building as, basically, an import of French Gothic: a triple- naved basilica with flying buttresses, short transept, five-bayed choir and decagon apse with ambulatory and radiating chapels. However, he lived to build only the easternmost parts of the choir: the arcades and the ambulatory. The slender verticality of Late French Gothic and clear, almost rigid respect of proportions distinguish his work today. After Matthias' death in 1352, 23-year-old Peter Parler assumed control of the cathedral workshop as master builder.
Clarke obtained the specimen of Himantolophus appelii, which he described in his scientific paper, from Mr Appel of Hokitika and named the species in his honour. Clarke also obtained a fish specimen collected on 6 August 1878 by W. Duncan. Clarke subsequently described and named that species as Argentina decagon and forwarded the specimen to the Colonial Museum, now the Museum of New Zealand Te Papa Tongarewa, where it is still kept. However Clarke had been preempted by Frederick Hutton who had described the new species as Argentina elongata in January 1879.
Martin Buehler is an electrical engineer working at Decagon Devices. He was named a Fellow of the Institute of Electrical and Electronics Engineers (IEEE) in 2015 for his contributions to metrology through development of semiconductor process control test structures, gas sensors, and radiation detectors. Buehler is also known for the co-development of Roomba and was a lead developer of Big Dog at Boston Dynamics. In 2018, he joined Alex Vardakostas to develop a robot named "Creator" which whose function would be to flip burgers at various fast food restaurants such as Chick-fil-A.
Southwest side Passing moderately high around a hill, the I-490 highway gives a fine view of the city in the distance with the Voplex building in the near foreground, below the road. From this vantage, one can see the shape of the building as a decagonal, lenticular shape raised up on a much smaller rectangular base. Three segments of the decagon are missing on the south side, forming the main entrance. The building has been likened to a large pie with a section cut out, a flying saucer, the Crunchwrap Supreme, and the Millennium Falcon.
A non-Desargues (103103) configuration. As a projective configuration, the Desargues configuration has the notation (103103), meaning that each of its ten points is incident to three lines and each of its ten lines is incident to three points. Its ten points can be viewed in a unique way as a pair of mutually inscribed pentagons, or as a self-inscribed decagon . The Desargues graph, a 20-vertex bipartite symmetric cubic graph, is so called because it can be interpreted as the Levi graph of the Desargues configuration, with a vertex for each point and line of the configuration and an edge for every incident point-line pair.
The design of the artifact known as the Bush Barrow Lozenge, and the smaller lozenge, has been shown to be based on a hexagon construction. Both the shape and the decorative panels appear to have been created by repeating hexagons within a series of three concentric circles (each framing the series of smaller decorative panels).Johnson, Anthony, Solving Stonehenge: The New Key to an Ancient Enigma pp 182-185 (Thames & Hudson, 2008) The precision and accuracy displayed by the work demonstrates both a sophisticated tool kit and a sound knowledge of geometric form. A similar gold lozenge from Clandon Barrow, in Dorset, used a decagon in its design.
A periodic tiling of the plane is the regular repetition of a "unit cell", in the manner of a wallpaper, without any gaps. Such tilings can be seen as a two-dimensional crystal, and because of the crystallographic restriction theorem, the unit cell is restricted to a rotational symmetry of 2-fold, 3-fold, 4-fold, and 6-fold. It is therefore impossible to tile the plane periodically with a figure that has five-fold rotational symmetry, such as a five-pointed star or a decagon. Patterns with infinite perfect quasi- periodic translational order can have crystallographically forbidden rotational symmetries such as pentagonal or decagonal shapes.
Johnson participated in the Oculus Rift Launchpad Program at Facebook HQ in May 2016. Johnson and Ward then began creating a series of five HD video animations, each of which translated a single drawing by Johnson into "richly rendered 3-dimensional animations, digitally extrapolating Johnson's planar surfaces into tonally modelled architectures and bodies." Drawings translated in this series (which also serve as the respective names of the collaborative videos) are Worldweb Allthing (2017), Transkin Simulator (2017), Whilst In Genuflect (2017), Milxyz Wae (2017), and Worldken (2017). In 2017, the installation piece WHOL WHY WURLD collected these five videos and displayed them on five HD televisions mounted on poles around the perimeter of a painted decagon platform.
The Errera graph is planar and has chromatic number 4, chromatic index 6, radius 3, diameter 4 and girth 3. All its vertices are of degree 5 or 6 and it is a 5-vertex-connected graph and a 5-edge-connected graph. The Errera graph is not a vertex-transitive graph and its full automorphism group is isomorphic to the dihedral group of order 20, the group of symmetries of a decagon, including both rotations and reflections. The characteristic polynomial of the Errera graph is -(x^2-2 x-5) (x^2+x-1)^2 (x^3-4 x^2-9 x+10) (x^4+2 x^3-7 x^2-18 x-9)^2.
A dappen glass (also called Dappen Dish) is a small, dense glass or ceramic vessel which has each end ground or hollowed out to provide a bowl for mixing substances. Generally these dishes have ten equal walls (decagon) with a large bowl on one side and a smaller bowl ground out on the other. Dappen glasses are most commonly used in dentistry, as vessels for mixing dental medicaments or fillings,Merriam-Webster definition though they have also come to be used by artists (for mixing inks or paints), the cosmetics/beauty industry for holding small quantities of nail product or dyes, and chemistry labs. The term "Dappen Glass" is sometimes mistakenly applied to any dish that has two or more concave surfaces that is used for storing or mixing substances.
The use of domes declined in Western Europe with the rise of Gothic architecture. Gothic domes are uncommon due to the use of rib vaults over naves, and with church crossings usually focused instead by a tall steeple, but there are examples of small octagonal crossing domes in cathedrals as the style developed from the Romanesque. Spaces of circular or octagonal plan were sometimes covered with vaults of a "double chevet" style, similar to the chevet apse vaulting in Gothic cathedrals. The crossing of is an example. The 13th century ribbed dome on squinches at the crossing of the in Ávila, Spain is another. The domed "Decagon" nave of St. Gereon's Basilica in Cologne, Germany, a ten-sided space in an oval shape, was built between 1219 and 1227 upon the remaining low walls of a 4th-century Roman mausoleum. The ribbed domical vault rises four stories and 34 meters above the floor, covering an oval area 23.5 meters long and 18.7 meters wide. It is unique among the twelve Romanesque churches of Cologne, and in European architecture in general, and may have been the largest dome built in this period in Western Europe until the completion of the dome of Florence Cathedral.

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