Question

Fill in the blank with either "edge" or "vertex" to make a true statement.

A Hamiltonian circuit uses each once and only once.
An Euler circuit uses each once and only once.

Answer 1

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Answer:

• H: vertex
• E: edge

Explanation:

A Hamiltonian circuit uses each vertex once and only once. (may repeat edges)

An Euler circuit uses each edge once and only once. (may repeat vertices)