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tetrahedral    音标拼音: [t,ɛtrəh'idrəl]
a. 有四面的,四面体的

有四面的,四面体的


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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 The tetrahedron is the simplest of all the ordinary convex polyhedra [1]
  • TETRAHEDRAL Definition Meaning - Merriam-Webster
    The meaning of TETRAHEDRAL is being a polyhedral angle with four faces
  • Tetrahedron - Meaning, Properties, Formulas | Tetrahedron Shape - Cuemath
    Let us learn more about the tetrahedron shape, a regular tetrahedron, tetrahedron angles, and so on in this article A tetrahedron is also known as a triangular pyramid whose base is also a triangle A regular tetrahedron has equilateral triangles, therefore, all its interior angles measure 60°
  • Tetrahedron | Definition, Examples, Properties, Nets Formulas
    Tetrahedrons are polyhedra that have four triangular faces, six edges, and four vertices All of the faces of a tetrahedron are equilateral triangles One of its faces is the base, while the other three form the pyramid As a result, a tetrahedron is also known as a triangular pyramid A tetrahedron has four faces
  • 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, It is illustrated above together with a wireframe version and a net that can be used for its construction
  • Spinning Tetrahedron - Math is Fun
    The molecule methane (CH 4) has a tetrahedral shape, with 1 carbon atom at the center and 4 hydrogen atoms at the vertices: A 3D shape with 4 flat faces Notice these interesting things: It has 4 faces It has 6 edges It has 4 vertices (corner points)
  • Tetrahedron - Math. net
    Below is a tetrahedron example A tetrahedron is a three-dimensional (3D) figure made up of 4 triangular faces It is also known as a triangular pyramid If all of the triangles that form the tetrahedron are congruent equilateral triangles, the tetrahedron is referred to as a regular tetrahedron
  • Tetrahedral Geometry Meaning - BYJUS
    Tetrahedral is a molecular shape that occurs when there are four bonds and no lone pairs in the molecule’s central atom The atoms bonded to the central atom are located at the four corners of a tetrahedron, with 109 5° angles between them Are tetrahedral molecules planar?
  • Tetrahedron - Simple English Wikipedia, the free encyclopedia
    A tetrahedron or triangular pyramid is a polyhedron (a three-dimensional shape) It has four corners and six edges All four of its faces are equilateral triangles Every two edges meet on one of those corners forming a sixty-degree angle A regular tetrahedron is a tetrahedron whose edges are the same length If the length of an edge is a:
  • Tetrahedron - Wikiwand
    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 The tetrahedron is the simplest of all the ordinary convex polyhedra





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