What is the degree of a tree? (As in, a tree ADT)

Question

I understand that the degree of a node is the number of children it has.

However, how do we define the degree of a tree?

Answer 1

The degree of a graph is 2n

To find the degree of a tree, use the formula for edges of a tree: Edges = (Vertices - 1)

Now apply what we know about the degree of a graph to our number of edges in a tree: Degree of tree = 2(n-1) = 2n-2