There are infinitely many such shapes.
Square
Yes you can draw the nets of 3D objects on graph paper
no. a 2d square has only 1 face but a 3d square (cube) has 6 faces.
The following are some shapes having a square cross section: a cube, a cuboid, a square pyramid.
A 2d shape is a flat object (ex: square, circle, etc.) and a 3d shape is a shape in space (ex: cube, sphere, etc.)
here are some: 2d shapes- square circle triangle Rectangle 3d shapes- cone cuboid cube prism
Square
There're are 3d shapes
Square based pyramid, Cube and Cuboid
Yes you can draw the nets of 3D objects on graph paper
A triangular prism.
a cube
no. a 2d square has only 1 face but a 3d square (cube) has 6 faces.
Sphere, Cube, Pyramid, Cylinder, Square Based Pyramid, Octagon
cuboid
The following are some shapes having a square cross section: a cube, a cuboid, a square pyramid.
3D shapes have edges, sides, and intersecting points