A tetrahedron.
the names of them are semiregular polyhedron
It_is_a_triangular_prism.">It_is_a_triangular_prism.">It is a triangular prism.* * * * *While a triangular prism can have equilateral triangle faces, it has more faces that are quadrilateral (or rectangular).A polyhedron with only equilateral triangular faces could be a tetrahedron, an octahedron in the form of a square based dipyramid, or an icosahedron.
Yes, a polyhedron is only made up of one base which is bordered by straight lines. Each face is in fact a polygon, a closed shape in the flat 2-dimensional plane made up of points joined by straight lines.
tetrahedron ( tetrahedra or tetrahedrons) is a polyhedron composed of four triangular faces, three of which meet at each corner or vertex. It has six edges and four vertices. The tetrahedron is the simplest of all the ordinary convex polyhedra and the only one that has four faces.The tetrahedron is the three-dimensional case of the more general concept of a Euclidean simplex.The tetrahedron is one kind of pyramid, which is a polyhedron with a flat polygon base and triangular faces connecting the base to a common point. In the case of a tetrahedron the base is a triangle (any of the four faces can be considered the base), so a tetrahedron is also known as a "triangular pyramid".A cation is a positively charged ion, which is an atom or molecule with one or more of its electrons removed.
A tetrahedron.
the names of them are semiregular polyhedron
It_is_a_triangular_prism.">It_is_a_triangular_prism.">It is a triangular prism.* * * * *While a triangular prism can have equilateral triangle faces, it has more faces that are quadrilateral (or rectangular).A polyhedron with only equilateral triangular faces could be a tetrahedron, an octahedron in the form of a square based dipyramid, or an icosahedron.
pyramid .
A polyhedron has only polygonal faces and any one of them can be considered a base. Therefore a polyhedron with 0 bases cannot exist.
There is no standard formula since a polyhedron can have a number of different shapes. A hexahendron, for example, can be a cuboid (6 rectangular faces) or a triangular dipyramid (6 triangular faces) or others. The number of different shapes increases rapidly as the number of sides (which determines the name) increases. The only solution is to calculate the area of each face and add them together.
Yes, a polyhedron is only made up of one base which is bordered by straight lines. Each face is in fact a polygon, a closed shape in the flat 2-dimensional plane made up of points joined by straight lines.
tetrahedron ( tetrahedra or tetrahedrons) is a polyhedron composed of four triangular faces, three of which meet at each corner or vertex. It has six edges and four vertices. The tetrahedron is the simplest of all the ordinary convex polyhedra and the only one that has four faces.The tetrahedron is the three-dimensional case of the more general concept of a Euclidean simplex.The tetrahedron is one kind of pyramid, which is a polyhedron with a flat polygon base and triangular faces connecting the base to a common point. In the case of a tetrahedron the base is a triangle (any of the four faces can be considered the base), so a tetrahedron is also known as a "triangular pyramid".A cation is a positively charged ion, which is an atom or molecule with one or more of its electrons removed.
A pyramid.
it is a pyramid
The generic name of a polyhedron is based on the number of faces that it has. Thus, a polyhedron with 6 faces is a hexahedron. However, there are different kinds of hexahedra with names that are more descriptive of their shapes. Hexahedra can be triangle based dipyramids (two triangular pyramids stuck together base-to-base); pentagon based pyramids or variants of parallelepipeds. There are only three topologically distinct hexahedra. With more faces the number of variation increases and the nomenclature becomes more complicated. In the case of octahedra, there are 257 including ones called tridiminished icosahedron.
Techahedron are a website company based in London and the South East, specialising in E-Commerce and professional sites that can be easily maintained by the client. They have many many vertices. A tetrahedron, on the other hand, is a is a polyhedron composed of four triangular faces. It is the only four sided polyhedron. It is also known as a triangular pyramid. It has four vertices.