There are infinitely many of them, and of a fantastically huge variety.
Circles and all regular polygons.
Solid Geometry
Geometry.
Not sure about geometry but the definition contains a redundant repetition.
Of course, they are geometric figures.
there are 68
Geometry dealing with 3-dimensional figures is called solid geometry. It involves studying shapes such as cubes, spheres, cylinders, and pyramids in three-dimensional space. Solid geometry includes concepts such as volume, surface area, and properties of these 3D figures.
There are many special figures in geometry and some of them are pyramid, cone, cylinder, sphere, circle, prism, polygon, polyhedron ..... etc
Figures that have no perimeter such as a strairght line or the arc of a circle
solid geometry deals with 3 dimensional figures while plane geometry deals with 2 dimensional.
The difference between regular geometry and solid geometry is that regular geometry deals with angles, measuring angles, and theorem/postulates. Solid geometry deals with shapes and multiple sided figures.
Noncoplanar is a term in geometry referring two or more figures, lines, or points that do not all lie in the same plane.