Answer
Number of vertices = 6
Number of edges = 6
Deg(a) = 2
Deg(b) = 4
Deg(c) = 1
Deg(d) = 0
Deg(e) = 2
Deg(f) = 3
c is pendant and d is isolated.
Work Step by Step
Number of vertices = 6
Number of edges = 6
The degree of vertex in an undirected graph is the number of edges incident on it.
Deg(a) = 2
Deg(b) = 4
Deg(c) = 1
Deg(d) = 0
Deg(e) = 2
Deg(f) = 3
c is pendant because it's degree is 1.
d is isolated because it's degree is 0.