Octahedron Formulas

Posted In: Mathematics

In geometry, an octahedron (plural: octahedra) is a polyhedron with eight faces, twelve edges, and six vertices. The term is most commonly used to refer to the regular octahedron, a Platonic solid composed of eight equilateral triangles, four of which meet at each vertex.

Tetrahedron


Edge: a
Radius of inscribed circle: r
Radius of circumscribed circle: R
Surface area: S
Volume: V

  1. $r=√6/6\ a$
  2. $R=√2/2\ a$
  3. $S=2√3\ a^2$
  4. $V=√2/3\ a^3$

Post Tags: Geometry


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