math sheet 8

1. Looking at the above graph, identify the number of odd vertices.

2. Looking at the above graph, identify the number of even vertices.

3. Looking at the above graph. Does it have an Euler circuit? Does it have an Euler path? Explain your answers.

4. Which of the above graphs has an Euler circuit?

5. Which of the above graphs has an Euler path but no Euler Circuit?