Technically, a 3D shape is any three-dimensional object, so if you're referring to which shape among the cube, sphere, pyramid, and the rest of them is biggest, it varies. If you mean which object in the real world is the biggest shape, then restate your question more plainly.
Chat with our AI personalities
No because a rectangle is a 2 dimensional shape
a face
yes
a henagon is an 11 sided 2-D shape and a 3-D is called an hendecahedron.
A hexagon cannot make a 3-d shape.