Respuesta :

sqdancefan

Answer:

  1837.30 m

Step-by-step explanation:

The tangent of the angle of depression is the ratio of cliff height to d:

  tan(9°) = (291 m)/d

Multiplying by d/tan(9°), we find ...

  d = (291 m)/tan(9°) ≈ 1837.3017 m

  d ≈ 1837.30 m