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PolYHeDron

A polyhedron is a three-dimensional solid made up of flat polygonal faces, straight

edges, and vertices (corners). It is a 3D shape with flat surfaces. Examples of polyhedra
(the plural of polyhedron) include a cube, cuboid, triangular prism and pyramid.

Triangular
Cube Prism Hexagonal Pentagonal
Prism Pyramid

Some polyhedra have faces that are all identical, and the same number of faces meet
at each vertex. Such solids are called regular polyhedra.

Regular Regular Regular Regular
Tetrahedron Cube Octahedron Icosahedron Dodecahedron

A polyhedron consists of the following parts:

faces: A face is a flat surface of a polyhedron.

edges: An edge is a line segment between the faces.
Vertices: A vertex is a point where the two edges meet.

Here, you can see the number of vertices, edges and faces of some polyhedra.

Shape number of faces number of edges number of Vertices
Cube 6 12 8

Cuboid 6 12 8
Triangular prism 5 9 6
Square pyramid 5 8 5

Tetrahedron 4 6 4
Icosahedron 20 30 12
Octahedron 8 12 6
Dodecahedron 12 30 20

Hexagonal prism 8 18 12

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Geometry