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Trigonometry

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Right Triangle: Angle of Depression to Manatee

TRIG-REPJRB

A hot air balloon company offers sightseeing excursions in Central Florida. On a recent flight, a customer was taken to a view of $1500\ feet$ and was able to see a manatee in a river.

If the distance from the sightseer in the balloon to the manatee in the river was $1\ mile$, what is the angle of depression from the customer to the manatee to the nearest tenth of a degree? Assume that the balloon went straight up.

A

$73.5°$

B

$15.9°$

C

$16.5°$

D

$17.5°$