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dodecahedron

XDict

n. 十二面体

PyDict

十二面体

WordNet (r) 3.0 (2006) (WordNet)

dodecahedron
n 1: any polyhedron having twelve plane faces

The Collaborative International Dictionary of English v.0.48 (gcide)

Dodecahedron \Do*dec`a*he"dron\, n. [Gr. ?; ? twelve ? seat,
bottom, base: cf. F. dod['e]ca[`e]dre.] (Geom. & Crystallog.)
A solid having twelve faces.
[1913 Webster]

Note: The regular dodecahedron is bounded by twelve equal and
regular pentagons; the pyritohedron (see
{Pyritohedron}) is related to it; the rhombic
dodecahedron is bounded by twelve equal rhombic faces.
[1913 Webster]

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Dodecahedron - Wikipedia
In geometry, a dodecahedron[a] or duodecahedron[2] is any polyhedron with twelve flat faces The most familiar dodecahedron is the regular dodecahedron with regular pentagons as faces, which is a Platonic solid There are also three regular star dodecahedra, which are constructed as stellations of the convex form All of these have icosahedral symmetry, order 120 Some dodecahedra have the
Regular dodecahedron - Wikipedia
A regular dodecahedron or pentagonal dodecahedron[1] is a dodecahedron (a polyhedron with 12 faces) composed of regular pentagonal faces, three meeting at each vertex It is one of the Platonic solids, described in Plato 's dialogues as the shape of the universe itself Johannes Kepler used the dodecahedron in his 1596 model of the Solar System However, the dodecahedron and other Platonic
What Is a Dodecahedron Used For? From Math to Mystery
A dodecahedron, the 12-faced geometric solid made of pentagons, has a surprisingly wide range of uses spanning acoustics, gaming, architecture, and even cosmology With 20 vertices, 30 edges, and 12 pentagonal faces, it’s one of the five Platonic solids, and its near-spherical symmetry gives it unique properties that engineers, scientists, and designers have put to work for centuries
Dodecahedron – Definition, Formulas, Examples Diagrams
What is a dodecahedron Learn how to find its volume and surface area with formulas, solved examples, and diagrams
31 Facts About Dodecahedron
Discover 31 fascinating facts about the dodecahedron, a unique geometric shape with 12 faces, and explore its mathematical beauty and real-world applications
Dodecahedron -- from Wolfram MathWorld
A (general) dodecahedron is a polyhedron having 12 faces Examples include the Bilinski dodecahedron, decagonal prism, elongated square dipyramid (Johnson solid J_(15)), hexagonal dipyramid, metabidiminished icosahedron (J_(62)), pentagonal antiprism, pentagonal cupola (J_5), regular dodecahedron, rhombic dodecahedron, snub disphenoid (J_(84)), trapezo-rhombic dodecahedron, triakis tetrahedron
Dodecahedron - Definition, Properties and Examples - GeeksforGeeks
A dodecahedron is a 3D geometric shape that belongs to the category of polyhedra, specifically known as a Platonic solid It has twelve flat faces, with each face being a regular pentagon Its unique structure gives it a total of 20 vertices and 30 edges, making it both symmetrical and aesthetically pleasing The dodecahedron can be visualized as a solid made up of 12 pentagonal faces
Dodecahedron - Simple English Wikipedia, the free encyclopedia
A dodecahedron A dodecahedron is a polyhedron (a three-dimensional shape) that has 12 faces Each face is a pentagon (a polygon with five edges) It has 20 corners (also called vertices) and 30 edges altogether A regular dodecahedron, which looks exactly the same from all faces, is a Platonic solid The dual of a dodecahedron is an icosahedron
Roman Dodecahedrons: The Enigmatic Objects That Still Baffle Historians
Roman Dodecahedrons: The Enigmatic Objects That Still Baffle Historians Imagine digging through a rain-soaked field in rural Europe and unearthing a hollow, bronze object that looks like it belongs in a sci-fi film rather than an ancient ruin It has 12 flat, pentagonal faces, circular holes of varying diameters on each side, and strange little knobs perched at every corner This is the Roman
Dodecahedron: The 12-sided Shape With the 12-letter Name
A dodecahedron has 12 flat faces, all shaped like pentagons Here are 12 cool things you just may not know about them

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