An eight-sided three-dimensional shape is called an octohedron.
A cuboid.
Cube
Squares, rectangles, and the rhombus.
There is no 3-d shape for only hexagons. They have to be mixed with pentagons or squares.
they dont have a name really :/ 3D squares are cubes
A triangular prism
A square based prism.
squares and rectangle thats it! not a hard question
No, a square is a 2d shape, although a 3d shape can be made using multiple squares at different angles than 180 or 0 to each other.
A shape in 3D is a polygon. Poly=many and gon=shape.
A 12 sided 3D shape is called a dodecahedron.