Q: Is a octahedron a 2D or 3D shape?

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octagon-2D Octahedron-3D

There is non.

The equivalent of a octahedron as a 2D shape is an 8 sided octagon.

An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. They can have faces which are triangles, quadrilaterals, pentagons, hexagons or heptagons.

It's a 2D shape.

Related questions

octagon-2D Octahedron-3D

if its 2D its a octagon, if its 3D its a octagonal prisim

There is non.

As a 2D polygon shape it is an 8 sided octagon.

2d

The equivalent of a octahedron as a 2D shape is an 8 sided octagon.

An eight-faced 3D shape is called an octahedron. Any 3D shape (polyhedron) ends in -hedron, just like any 2D shape (polygon) ends in -gon, and octa- means 8.

An octahedron is a 3D shape with 8 sides.

A camera is a 3D shape. A photograph is a 2D projection of a 3D shape onto a 2D shape.

2d

A television set is a 3D shape. The image (picture) on the television screen is a 2D shape. 3D is when it has length, width, and height. 2D is only length and width.

An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. They can have faces which are triangles, quadrilaterals, pentagons, hexagons or heptagons.