An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. An octahedron can have 6 to 12 vertices.
5 coners
A rectangle has four coners.
None
8
Whow many coners are dice
An octahedron has 8 sides.
An octahedron has 18 corners.
a octahedron has 8 faces
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.