What are Adjacent Edges? | Graph Theory

What are adjacent edges? We go over it in today's math lesson! In a graph, two edges are said to be adjacent if and only if they are both incident with a common vertex. So if an edge ab joins vertex a to vertex b, and edge cb joins vertex c to vertex b, then ab and cb are adjacent edges because they are both incident with a common vertex, b. However, an edge cd that joins vertex c to vertex d is not adjacent to edge ab because they are not incident with a common vertex.

I hope you find this video helpful, and be sure to ask any questions down in the comments!

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