PQR and RST are shown.What is m

The triangle TSR is an Isosceles triange. Two sides of an isosceles triangle are the same. Therefore,
[tex]\begin{gathered} m\angle\text{TSR}=\frac{180-44}{2} \\ m\angle\text{TSR}=\frac{136}{2} \\ m\angle\text{TSR=}68^{\circ} \end{gathered}[/tex]