A non directed graph G has 8 edges. Find the number of vertices if the degree of each vertex is 2.
Answers
Given : A non directed graph G has 8 edges.
To Find : the number of vertices if the degree of each vertex is 2.
Solution:
Number of degrees are twice the number of the edges in the graph.
A non directed graph G has 8 edges
Hence Number of degrees = 2 * 8
=> Number of degrees = 16
degree of each vertex is 2.
Hence number of vertex = 16/2 = 8
number of vertex = 8
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