- In mathematics, and more specifically in graph theory, a vertex (plural vertices) or node is the
**fundamental unit of which graphs are formed:**an undirected graph consists of a set of vertices and a set of edges (unordered pairs of vertices), while a directed graph consists of a set of vertices and a set of arcs (ordered pairs of vertices).

en.wikipedia.org/wiki/**Vertex**_(**graph**_theory)- In mathematics, and more specifically in graph theory, a vertex (plural vertices) or node is the

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**definition**of**Vertex**: A point where two or more line segments meet. A corner. Examples: any corner of a pentagon (a plane...A

**vertex**in**math**is a point where two lines or rays meet. An angle is formed at the**vertex**. A**vertex**is denoted by uppercase letters like A, O, P, etc. The plural of**vertex**is "vertices." In solid geometry, i.e., three-dimensional geometry, shapes such as cubes, cuboids form several vertices.**Vertex**.**Definition**: The common endpoint of two or more rays or line segments.**Vertex**typically means a corner or a point where lines meet. For example a square has four corners, each is called a**vertex**. The plural form of**vertex**is vertices. (Pronounced: "ver - tiss- ease"). A square for example has four vertices.Jul 22, 2020 · 1 Answer1. Show activity on this post. In all

**definitions**of**graph**I know of (undirected**graph**, simple**graph**, directed**graph**, multigraph, hypergraph) the vertices are dedicated part of the data, ie. in all these cases you start with a set V of vertices, which is then turned into a**graph**by attaching edges from a set E to these vertices ...**Vertex**:**Definition**& Function Instructor: Kimberlee Davison Show bio Kim has a Ph.D. in Education and has taught**math**courses at four colleges, in addition to teaching**math**to K-12 students in a ...