Eight.
An octahedron has 8 sides.
The area of a regular octahedron with a side length of x is 2√3 * x²
An octahedron has 8 sides.
a octahedron has 8 faces
An octahedron has 18 corners.
An octahedron has eight faces - by definition.
In geometry, an octahedron is a polyhedron with eightfaces.
An octahedron has eight bases/faces.
An octahedron has 8 sides.An octahedron is a polyhedron with eight plane faces.
An octahedron has eight faces. If it has 62 faces then it is not an octahedron!
A truncated octahedron has 14 faces.
An octahedron has 7 perpendicular lines.