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What is the degree of vertex A?

What is the degree of vertex A?-example-1
User Viewking
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Answer:

c. 6

Explanation:

The degree of a vertex is the number of arc ends that intercept it. (The other end of the arc is irrelevant.)

Vertex A is connected to B (1), D (2), F (1), and itself (2). There are a total of 6 arc ends that meet vertex A. Its degree is 6.

User Hath
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