An octahedron is a room number with 8 faces that are polygons. In the number below are 3 different forms of octahedrons. The presolve "octa" means eight.

You are watching: Which types of polygons are the faces of a octahedron An octahedron have the right to be formed by two pyramids via bases in the shape of a quadrilateral, as shown in the number listed below. ## Properties of a continuous octahedron

A constant octahedron is an octahedron whose faces are all congruent, constant polygons. Otherwise, it is irconsistent. Regular octahedrons are studied even more frequently. A continuous octahedron, such as the one shown over, is one of the 5 Platonic solids, which are a form of continuous polyhedron. A consistent octahedron has 8 congruent deals with that are congruent equilateral triangles, 12 congruent edges, and also 6 vertices; an edge is a line segment developed by the intersection of 2 surrounding faces; a vertex for a continuous octahedron is a suggest wbelow 4 edges fulfill.

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## Surconfront area of a regular octahedron

We can uncover the location of one of the encounters and multiply it by eight to discover the total surface location of a regular octahedron. An equilateral triangle with side length, e (likewise the length of the edges of a consistent octahedron), has actually a room, A, of The full surconfront area, S, of a continuous octahedron in regards to its edges, e, is,  ## Volume of a continual octahedron

The volume, V, of a consistent octahedron is wright here e is the length of the edge.

Example:

If the total surconfront area of a consistent octahedron is , what is its volume?

We have the right to discover e by substituting the provided worth in for the complete surchallenge area to get