\begin{tabular}{|l|l|l|}
\hline & Statement & Reason \\
\hline 1 & $R$ is the midpoint of $\overline{Q S}$ & Given \\
2 & $\overline{Q T} \cong \overline{S U}$ & Given \\
3 & $\overline{R T} \cong \overline{R U}$ & Given \\
4 & $\overline{Q R} \cong \overline{R S}$ & Definition of midpoint \\
5 & $\triangle R S U \cong \triangle R Q T$ & SSS \\
\hline
\end{tabular}
\\(\boxed{\triangle RSU \cong \triangle RQT}\\)