Answer:
QR = 4.6 ft
Step-by-step explanation:
By applying tangent rule in the given triangle PQR,
tan(62°) = [tex]\frac{\text{Opposite side}}{\text{Adjacent side}}[/tex]
= [tex]\frac{8.6}{QR}[/tex]
QR = [tex]\frac{8.6}{\text{tan}(62)}[/tex]
QR = 4.573
QR ≈ 4.6 ft
