Respuesta :

Answer: 129.81 m, roughly 130 m

Step-by-step explanation: Let me know if you need an explanation.

ronhagrid310

Answer:

Applying the alternative interior pair of angles theorem => B = 31 deg

Applying the trigonometry property of tangent, the distance from the cliff to the boat is calculated by:

D = 78/tan(B) = 78/tan(31) =~129.81

Hope this helps!

:)

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