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Tetrahedron - Wikipedia
In geometry, a tetrahedron ( pl. : tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertices .
en.wikipedia.org
en.wikipedia.org
Tetrahedron | Journal | ScienceDirect.com by Elsevier
The Tetrahedron Family of journals are the home for organic chemists across disciplines and around the globe.
www.sciencedirect.com
www.sciencedirect.com
Meaning, Properties, Formulas | Tetrahedron Shape - Cuemath
A tetrahedron is a three-dimensional shape that has four triangular faces. One of the triangles is considered as the base and the other three triangles ...
www.cuemath.com
www.cuemath.com
tetrahedron
tetrahedron Geom. (tɛtrəˈhiːdrən, -ˈhɛdrən) Pl. -a or -ons. Also 6–9 tetraedron; 6–8 tetra(h)edrum. [ad. late Gr. τετράεδρον n., prop. neut. of τετράεδρος adj. four-sided, f. τετρα- four + ἕδρα base.] A solid figure contained by four plane triangular faces, a triangular pyramid; spec. the regular te...
Oxford English Dictionary
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TETRAHEDRON Definition & Meaning - Merriam-Webster
The simplest tetrahedron is made of four equal-sided triangles: one is used as the base, and the other three are fitted to it and each other ...
www.merriam-webster.com
www.merriam-webster.com
Tetrahedron -- from Wolfram MathWorld
A tetrahedron is a polyhedron with four sides. If all faces are congruent, the tetrahedron is known as an isosceles tetrahedron.
mathworld.wolfram.com
mathworld.wolfram.com
Tetrahedron Images – Browse 13998 Stock Photos, Vectors, and ...
Search from thousands of royalty-free Tetrahedron stock images and video for your next project. Download royalty-free stock photos, vectors, HD footage and ...
stock.adobe.com
stock.adobe.com
Spinning Tetrahedron - Math is Fun
A tetrahedron that has 4 equal faces has an equal chance of landing on any face. In fact, you can make fair dice out of all of the Platonic Solids.
www.mathsisfun.com
www.mathsisfun.com
Tetrahedron | Definition, Faces & Formula - Lesson - Study.com
A tetrahedron is a 3D figure with four triangular faces, four vertices, and six edges. Tetrahedra are sometimes referred to as triangular pyramids or 3-sided ...
study.com
study.com
The Tetrahedron and 109.5 Degrees - Chris Tralie
A regular tetrahedron is a closed polyhedron with four equilateral triangular faces (all faces are congruent), where sets of 3 faces meet at a point.
www.ctralie.com
www.ctralie.com
Tetrahedron - Polytope Wiki
The tetrahedron or tet, also sometimes called the 3-simplex, is the simplest possible non-degenerate polyhedron. The full symmetry version has 4 equilateral ...
polytope.miraheze.org
polytope.miraheze.org
Regular Tetrahedron -- from Wolfram MathWorld
The regular tetrahedron, often simply called "the" tetrahedron, is the Platonic solid with four polyhedron vertices, six polyhedron edges, and four equivalent equilateral triangular faces, 4{3}. It is illustrated above together with a wireframe version and a net that can be used for its construction. The regular tetrahedron is also the uniform polyhedron with Maeder index 1 (Maeder 1997 ...
mathworld.wolfram.com
Tetrahedron Letters | Journal | ScienceDirect.com by Elsevier
The Tetrahedron Family of journals are the home for organic chemists across disciplines and around the globe. We are building on a legacy of publishing excellence and offering dedicated editorial support and expert peer review; the choice to publish your work as open access or subscription; …. View full aims & scope. $3690.
www.sciencedirect.com
Tetrahedron (journal)
Tetrahedron is a weekly peer-reviewed scientific journal covering the field of organic chemistry. According to the Journal Citation Reports, Tetrahedron has a 2020 impact factor of 2.457.
wikipedia.org
en.wikipedia.org
Integer tetrahedron division. Let an integer tetrahedron be a tetrahedron where all edge lengths are integers. Can an integer tetrahedron be divided into smaller integer tetrahedra?
$E_{9,10}(0,0,\pm39\frac{1}{2})$,
$E_{11,12}(0,0,\pm56\frac{1}{2})$,
$E_{13,14}(0,0,\pm95\frac{1}{2})$,
(which belong to $AB$),
then each tetrahedron $AE_jCD$, $BE_jCD$, where $j=1,2,...,14$, is integer tetrahedron too.
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