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An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. They can have faces/bases which are triangles, quadrilaterals, pentagons, hexagons or heptagons.

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Q: What is the base of an octahedron?
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Related questions

What has a base with 8 equal sides 8 faces that are triangles?

The answer to your question, is an Octahedron.


Is a octahedron a pyramid?

It can be but need not be. A heptagon-based pyramid is an octahedron. However, the term is often used for the Platonic solid bounded by eight equilateral triangles - in the form of two square based pyramids stuck together base-to-base.


What other shape has the same base as a triangular prism?

A regular tetrahedron. octahedron, dodecahedron.


What is the base of a octahedron?

An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. They can have faces which are triangles, quadrilaterals, pentagons, hexagons or heptagons.


What octahedron triangle for all their faces?

A regular octahedron is a Platonic solid with equilateral triangles for each of the faces. A heptagonal pyramid is an octahedron with one heptagon (a seven sided figure) as its base and 7 triangles, one attached to each side, meeting at the either vertex.


If a triangle that Has a base with 8 equal sides and all faces are triangles what is it?

This object is called an octahedron


What shape is the base of an octahedron?

An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. The various octahedra have faces which may be triangles, quadrilaterals, pentagons, hexagons or heptagons. Any one of these could be a base.


How do you make a 3D octahedron?

An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. The simplest octahedron to make is probably the heptagon based right pyramid. The net for this shape is a regular heptagon with seven identical triangles attached to its edges. If the triangles are folded to meet at a point above the heptagonal base you will have an octahedron.


What is the base shape of the octahedron?

It can be a heptagon (heptagonal pyramid), hexagon (hexagonal prism), square (square based bipyramid). There are versions with pentagonal or triangular bases but I cannot think of their names.


What polyhedron has a base of a triangle?

A tetrahedron, a triangle based pyramid, an octahedron, an icosahedron plus many more.


What is the difference between a octahedron and a triangular prism?

One difference: An octahedron has 8 faces, a triangular prism has 5. An octahedron (="eight faces") is a regular high-symmetry solid with all the faces identical. A triangular prism has a triangular base, a triangular roof, and 3 rectangular sides (walls).


Name of a 3D shape with 8 sides?

hexagonal prism In geometry, the hexagonal prism is a prism with hexagonal base. This polyhedron has 8 faces, 18 edges, and 12 vertices. Since it has 8 faces, it is an octahedron. However, the term octahedron is primarily used to refer to the regular octahedron, which has eight triangular faces. https://en.wikipedia.org/wiki/Hexagonal_prism#/media/File:Hexagonal_prism.png