Question

I need help on a problem

Answer 1

1.

$PQ\cong RQ\to Given$

2.

$\begin{gathered} \angle PQS\cong\angle RQS\to Given \\ \end{gathered}$

3.

$QS\cong QS\to Reflexive_{\text{ }}property$

4.

$\Delta PQS\cong\Delta RQS\to SAS_{\text{ }}congruence$

5.

$\begin{gathered} \angle P\cong\angle R\to CPCTC_{} \\ \end{gathered}$