A regular octahedron is a regular polyhedron composed of 8 equal equilateral triangles.
The regular octahedron can be considered to be formed by the union of two equally sized regular quadrangular pyramids at their bases.
Unfold of a Regular Octahedron
Characteristics of a Octahedron
Number of faces: 8.
Number of vertices: 6.
Number of edges: 12.
Number of concurrent edges at a vertex: 4.
Surface Area of a Regular Octahedron
Volume of a Regular Octahedron
Calculate the surface area and volume of an octahedron with an edge of 5 cm.