There are a lot more than 4 types.
Some simple examples: regular polyhedra, other polyhedra, star shapes, ellipoids (including spheres), toroids (like cycle inner tubes), shapes with two "holes" in them, totally irregular blobby shapes.
If it is a polyhedron, then four or more faces and four or more corners.
cube, cuboid, prism, sphere, cone, pyramid .....
The special features of 3D shapes are they all are 3D which means they are fat but 2D shapes are flat they can not stand up.
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3D shapes have three dimensions, namely length, breadth and height.
Examples of 3D shapes are all around, a milk bottle, a box of matches, an egg, to name but three.
If it is a polyhedron, then four or more faces and four or more corners.
4D shapes are shapes in four dimensional space. Since we live in 3D space it is very difficult for most people to visualise 4D shapes.
cube, cuboid, prism, sphere, cone, pyramid .....
3D shapes have edges, sides, and intersecting points
The special features of 3D shapes are they all are 3D which means they are fat but 2D shapes are flat they can not stand up.
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3d shapes with six faces are called hexahedra.
Cubes, pyramids, cones, and spheres are all 3D shapes.
3D shapes have three dimensions, namely length, breadth and height.
Polygons are 2d shapes whereas polyhedrons are 3d shapes
Give vidoes to understand the 2d and 3d shapes clearly