**Section 9.1: Euler Circuits and Hamiltonian Cycles**

**Section 9.2: Trees and Minimum Spanning Trees**

**Section 9.3: Topology and Fractals**

**Section 9.4: Review for Chapter 9**

**Section 9.1: Euler Circuits and Hamiltonian Cycles**

**Section 9.2: Trees and Minimum Spanning Trees**

**Section 9.3: Topology and Fractals**

**Section 9.4: Review for Chapter 9**