Help on this one please

Answer:
d ≈ 1732 ft
Step-by-step explanation:
Angle of elevation = Angle of depression
Following this truth,
m∠PAQ (Angle of depression) = m∠APB (Angle of elevation) = 30°
By applying tangent rule in the given triangle ABP,
tan(30°) = [tex]\frac{AB}{PB}[/tex]
[tex]\frac{1}{\sqrt{3}}=\frac{1000}{d}[/tex]
d = 1000√3
d = 1732.05
d ≈ 1732 ft