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The tree elements are called __________

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in Discrete Mathematics by (558k points)
The tree elements are called __________

(a) vertices

(b) nodes

(c) points

(d) edges

The question was asked during an internship interview.

My question comes from Properties of Tree topic in chapter Trees of Discrete Mathematics

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Best answer
Right choice is (b) nodes

Easy explanation: Every tree element is called a node and the lines connecting the elements are called branches. A finite tree structure has a member that has no superior and is called the “root” Or root node. Nodes that have no child are called leaf nodes.

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