They are both 3d demensional shapes.
Cubes, pyramids, cones, and spheres are all 3D shapes.
True only if they have different diameters
Most of them. Cubes, prisms, pyramids, and all the -hedrons. Roundish things, like cones, spheres, hemispheres and cylinders don't have them.
It is 8 : 343.
3/4