A vertex is a special point of a mathematical object, and is usually a location where two or more lines or edges meet. Vertices are most commonly encountered in angles, polygons, polyhedra, and graphs. Graph vertices are also known as nodes.

# Vertex

## See also

Graph Vertex, Polygon Vertex, Polyhedron Vertex, Polytope Vertex, Vertex Angle, Vertex Coloring, Vertex Connectivity, Vertex Cover, Vertex Degree, Vertex Enumeration, Vertex Figure, Vertex Order, Vertex Scheme, Vertex Set, Vertex-Transitive Graph## Explore with Wolfram|Alpha

## Cite this as:

Weisstein, Eric W. "Vertex." From *MathWorld*--A
Wolfram Web Resource. https://mathworld.wolfram.com/Vertex.html