Assume you have a graph with vertex set V = {A, B, C, D, E} and edge set E = {CD, CB, DA, DB, EA, AA}.The degree of vertex A is
A. 3.
B. 2.
C. 1.
D. 4.
E. none of these
Answer: D
Mathematics
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A. 
B. - 
C. 
D. - 
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Fill in the blank(s) with the appropriate word(s).
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