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Decagon - Wikipedia
In geometry, a decagon is a ten-sided polygon or 10-gon. The total sum of the interior angles of a simple decagon is 1440°. Contents. 1 Regular decagon.
en.wikipedia.org
en.wikipedia.org
decagonal, adj. meanings, etymology and more | Oxford English ...
decagonal is a borrowing from Latin, combined with an English element. Etymons: Latin decagōnum, ‑al suffix1. See etymology. Nearby entries. decade-ring ...
www.oed.com
www.oed.com
decagonal - Wiktionary, the free dictionary
See also: décagonal. Contents. 1 English. 1.1 Pronunciation; 1.2 Adjective. 1.2.1 Derived terms; 1.2.2 Translations. 2 Catalan.
en.wiktionary.org
en.wiktionary.org
decagonal
decagonal, a. (dɪˈkægənəl) [f. med.L. decagōn-um + -al1.] Of or pertaining to a decagon; of the form of a decagon; ten-sided.1571 Digges Pantom. iv. ix. Y j b, The decagonall corde of that circle wheron Icosaedron is framed. 1717 Berkeley Tour in Italy Wks. 1871 IV. 526 What remains is a decagonal b...
Oxford English Dictionary
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Decagonal number - Wikipedia
A decagonal number is a figurate number that extends the concept of triangular and square numbers to the decagon (a ten-sided polygon).
en.wikipedia.org
en.wikipedia.org
Decagon: Definition, Properties & Formulas - DreamBox Learning
A decagon is a type of polygon. It is a flat, closed shape with 10 sides, 10 vertices, and ten angles. There are several types of decagons, each with distinct ...
www.dreambox.com
www.dreambox.com
Decagonal antiprism
In geometry, the decagonal antiprism is the eighth in an infinite set of antiprisms formed by an even-numbered sequence of triangle sides closed by two See also
External links
Decagonal Antiprism: 3-d polyhedron model
Virtual Reality Polyhedra www.georgehart.com: The Encyclopedia of Polyhedra
VRML
wikipedia.org
en.wikipedia.org
Decagonal Prism – Definition, Volume, Parts, and Diagrams
The decagonal prism is formed by two regular decagons as its bases and 10 squares as its other faces. Learn the definition, formulas, solved examples, ...
www.splashlearn.com
www.splashlearn.com
Decagonal prism | Verse and Dimensions Wikia - Fandom
A decagonal prism is a prism with a decagon as a base. This makes it the Cartesian product of a decagon and a line segment.
verse-and-dimensions.fandom.com
verse-and-dimensions.fandom.com
DECAGONAL definition and meaning | Collins English Dictionary
adjective (of a polygon) having ten sides and ten angles. The word decagonal is derived from decagon, shown below.
www.collinsdictionary.com
www.collinsdictionary.com
decagonal adjective - Definition, pictures, pronunciation and usage ...
decagonal adjective /dekˈæɡənəl/ /dekˈæɡənəl/ (geometry) having ten straight sides and ten angles.
www.oxfordlearnersdictionaries.com
www.oxfordlearnersdictionaries.com
Decagonal prism
Uses
The decagonal prism exists as cells in two four-dimensional uniform 4-polytopes:
Decagonal prisms are often used in combination locks. Related polyhedra
External links
3-d model of a Decagonal Prism
Prismatoid polyhedra
Zonohedra
wikipedia.org
en.wikipedia.org
Decagonal bipyramid
In geometry, a decagonal bipyramid is one of the infinite set of bipyramids, dual to the infinite prisms. If a decagonal bipyramid is to be face-transitive, all faces must be isosceles triangles. It is an icosahedron, but not the regular one.
wikipedia.org
en.wikipedia.org
Ralphsnyder Decagonal Barn
Ralphsnyder Decagonal Barn is a historic decagonal shaped barn located near Masontown, Preston County, West Virginia. Buildings and structures in Preston County, West Virginia
National Register of Historic Places in Preston County, West Virginia
Barns in West Virginia
Decagonal
wikipedia.org
en.wikipedia.org
Centered decagonal number
dot in successive decagonal layers. The centered decagonal number for n is given by the formula
Thus, the first few centered decagonal numbers are
1, 11, 31, 61, 101, 151, 211, 281, 361
wikipedia.org
en.wikipedia.org