Polyhedra.
In the context of polyhedra, they are polygons. Otherwise, they can be any shape you like.
All polygons and polyhedra.All polygons and polyhedra.All polygons and polyhedra.All polygons and polyhedra.
They are polyhedra, each with a square base.They are polyhedra, each with a square base.They are polyhedra, each with a square base.They are polyhedra, each with a square base.
A very strange shape. The Euler characteristic for polyhedra requires that Vertices-Edges+Faces=2. That condition is not met here.
polyhedra
Polyhedra.
In the context of polyhedra, they are polygons. Otherwise, they can be any shape you like.
All polygons and polyhedra.All polygons and polyhedra.All polygons and polyhedra.All polygons and polyhedra.
A cube, a dodecahedron, an icosahedron amongst regular polyhedra. Many irregular polyhedra, including a prism.
Polyhedron (plural polyhedra)
Polyhedra are named by the number of faces they contain. The names are based on Classical Greek. Over time, some polyhedra have become known by common, non-Greek names, i.e. a regular hexahedron is commonly called a cube.
Polyhedra. AS long as the 3D shape has no curves
Poly = manyHedron = corner (in 3-d space) So a polyhedron is a 3-d shape having many vertices (solid angles). The plural of polyhedron is polyhedra.
There are infinitely many polyhedra with one or more triangular faces.
Tetrahedron Or Octahedron, or icosahedron, plus any number of irregular polyhedra.
The pyramid is made in the geometrical solid shape of quadrilateral pyramid.However there are some geometrical polyhedra/ platonifc solid shapes of tetrahedron