The 3D shape with 2 octagons and 8 squares is called a truncated square antiprism. It is a type of prism where the top and bottom faces are octagons, and the side faces are squares. This shape has a total of 10 faces, including 2 octagons and 8 squares.
An eight-sided three-dimensional shape is called an octohedron.
A cuboid.
Squares, rectangles, and the rhombus.
Cube
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
squares and rectangle thats it! not a hard question
A square based prism.
A triangular prism
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 12 sided 3D shape is called a dodecahedron.
This is a Cuboid.