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4th Edition

Richard N. Aufmann + 3 others

Publisher: Cengage Learning

ISBN: 9781305965584

Chapter 5, Problem 9T

Textbook Problem

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Answer the following questions for the graph shown below.

- How many vertices are of degree 3?
- How many faces does the graph consist of (including the infinite face)?
- Show that Euler's formula is satisfied by this graph.

To determine

**(a)**

**To find:**

How many vertices have degree 3

**Given:**

To determine

**(b)**

**To find:**

How many faces are there in the given graph including infinite face.

To determine

**(c)**

**To find:**

Whether this graph satisfies Euler's formula.

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