The graph above has
- 5 faces.
- 6 faces.
- 8 faces.
- 9 faces.
Show Worked Solution
`text(Redrawing the graph in planar form,)`
`text(the graph can be seen to have 6 faces.)`
`text(Alternatively, using Euler’s rule:)`
| `v + f` | `= e + 2` |
| `5 + f` | `= 9 + 2` |
| `:. f` | `= 6` |
`=> B`