- (a) Make plane drawings of each of the graphs shown in Figure 1.
Graph 1
\begin{figure}[h]
\includegraphics[alt={},max width=\textwidth]{e1fd42f7-c97c-4bf2-92d3-69afc8bb6e29-02_1155_664_278_529}
\captionsetup{labelformat=empty}
\caption{Fig. 1}
\end{figure}
(b) State the name given to Graph 1 and write down the features that identify it.
(c) State, with a reason, whether it is possible to add further arcs to Graph 2 such that it remains a simple connected graph. No further vertices may be added.
(1 mark)