Question

Triangle QRS is shown below using the information given determine the measure of r

Answer 1

`\begin{gathered} 180=R+\text{ 38}.2\text{ +}52.7 \\ 180=\text{ R +}90.9 \\ R=180-90.9 \\ R=\text{ 89.1} \\ \text{the Angle R is 89.1} \end{gathered}`