Eight sided three-dimensional shape. Often this looks like two pyramids stuck together at their bases.
Chat with our AI personalities
An octahedron has 18 corners.
In geometry, an octahedron is a polyhedron with eightfaces.
An octagon is 2-dimensional, an octahedron is 3-dimensional.
The next of an octahedron looks like a series of 8 triangles.
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.