Question

Define degree of vertex?

Answer 1

It is the vertex which is defined as number of edges enters or exists from it.

Hope it helps.....

Answer 2

In graph theory, the degree ( or valency) of a vertex of a graph is the number of edges incident to the vertex , with loops counted twice. The degree of vertex is denoted or in the graph on the right, the maximum degree is 5 and the minimum degree is 0.