The following shapes all belong to the same group. \begin{tabular}{ccc} \hline & & \\ \hline \includegraphics{https://cdn.kastatic.org/ka-perseus-graphie/93514dfe54d3cb4511c309007fda5b67212fb88a.svg} & \includegraphics{https://cdn.kastatic.org/ka-perseus-graphie/7f0e5540e40971727b10085f0bbaa16df59afac5.svg} & \includegraphics{https://cdn.kastatic.org/ka-perseus-graphie/2defbee52d2fa05f34fd0bdddaf4758076e9e50a.svg} \\ 7\text{ cm} & 8\text{ m} & 9\text{ cm} \\ \hline \end{tabular} All of the shapes have $4$ equal sides. Which of the following shapes belongs in the group?