Introduction to Vertex and Edge Graph Tutorial: Vertex and Edge Graph is a very interesting and important part of discrete mathematics. Graphs have a group of shapes or objects called vertices and other groups whose elements are called nodes or edges. The node or edge having the same vertex at the start and end of both vertices is called self-loop or simply loop. If there are one or more edges connecting given pairs of vertices, they are called parallel type edges. Let's see the vertex-edge graph tutorial in this article. The detailed description of vertex-edge graphs in our tutoring: Tutor Vista is one of the famous online tutorial centers, in tutoring, tutor and students can be communicated through chat and help audio from which l The student clarifies (his/her) doubts. In the Tutor Vista online tutorial, canter tutoring is related to an academic subject like math, science, and English or test preparation. Some key points about vertex-and-edge graphs:* Graphs that have neither loops nor parallel-like edges are called simple. charts or just charts. When the vertex is the end vertex of certain edges, then the edges are said to be incident on this vertex. The number of incidental edges on the vertex is known as the degree of the vertex and the loop is enumerated twice to number the degree.* The vertex has no incident node on it is called isolated vertex and their vertices are zero degree. The unit degree vertex, whose degree is one, is called end vertex, dangling vertex or.* In the definition of graphs, it is possible for the edge group to be empty although the graphs have some vertices. Such graphs have...... middle of paper ...... = 13 -2= 11So the total number of edges E = 10.2) In the geometric figure the vertex V = 6 and the face, F = 6. Find the edge of the geometric figure using the formula.Solution: Vertex, V = 3Face, F = 2Formula for the number of edges given in the geometric figure, E = (V + F) -2= (3 + 2) – 2= 5 -2= 3So the total number of edges E = 3.