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tetrahedron    音标拼音: [t,ɛtrəh'idrən]
n. 四面体

四面体

tetrahedron
四面体

tetrahedron
n 1: any polyhedron having four plane faces


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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]
  • Tetrahedron - Definition, Formulas, Examples, and Diagrams
    What is a tetrahedron Learn how to find its surface area and volume with formulas, solved examples, and diagrams
  • Tetrahedron - Meaning, Properties, Formulas | Tetrahedron Shape - Cuemath
    A tetrahedron is a polyhedron with 4 faces, 6 edges, and 4 vertices, in which all the faces are triangles Observe the tetrahedron given below to see its faces, vertices, and edges
  • Spinning Tetrahedron - Math is Fun
    When we say tetrahedron we often mean regular tetrahedron (in other words all faces are the same size and shape) But it could be an irregular tetrahedron, like this one:
  • 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
  • Regular Tetrahedron Formula - GeeksforGeeks
    A regular tetrahedron is a three-dimensional figure of four triangular faces, each equilateral All four faces are congruent to each other It can also be referred to as a triangular pyramid A tetrahedron has 4 faces, 6 edges, and 4 vertices
  • 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 [1]
  • Tetrahedron | Definition, Examples, Properties, Nets Formulas
    The tetrahedron is the simplest polyhedron (a 3D shape with flat faces) Due to its strength and stability, it is used to understand more complex shapes and in various real-world applications
  • Platonic solid - Wikipedia
    The Platonic solids Top left to right: tetrahedron and cube Middle: regular octahedron Bottom left to right: dodecahedron and icosahedron In geometry, a Platonic solid is a convex, regular polyhedron in three-dimensional Euclidean space Being a regular polyhedron means that the faces are congruent (identical in shape and size) regular polygons (all angles congruent and all edges congruent
  • Tetrahedron – EngineeringTechnology. org
    A tetrahedron is a type of polyhedron with four triangular faces, six edges, and four vertices It’s the simplest form of a three-dimensional shape with flat faces





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