Relax

Respuesta :

From definition:

[tex]\tan (angle)=\frac{\text{opposite side}}{adjacent\text{ side}}[/tex]

From the picture:

[tex]\begin{gathered} \tan (48)=\frac{QR}{8.9} \\ \tan (48)\cdot8.9=QR \\ 9.9\text{ ft = QR} \end{gathered}[/tex]

Ver imagen JuwanU386146