Edges line segments common to intersecting faces of a polyhedron are known as its edges.

Vertices points of intersection of edges of a polyhedron are known as its vertices.

Faces polygons forming a polyhedron are known as its faces.

Lateral edges the edges through the vertex of a pyramid are known as its lateral edges.

Lateral edges the edges through the vertex of a pyramid are known as its lateral edges.

Lateral edges the line of intersection of the lateral faces of a prism are called the lateral edges of the prism.

Find the number of vertices in a polyhedron which has 30 edges and 12 faces

If the sum of number of vertices and faces in a polyhedron is 14, then the number of edges in that shape is ______.

The number of edges of a polyhedron, which has 7 faces and 10 vertices, is

Solid having only line segments as its edges is a