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Ede4ka [16]
3 years ago
5

An observer is standing in a lighthouse 96 feet above the level of the water. The angle of depression of a buoy is 22. What is t

he horizontal distance between the observer and the buoy (to the nearest whole number)?

Mathematics
2 answers:
Gwar [14]3 years ago
8 0

Answer:

238 feet.

Step-by-step explanation:

Refer the attached figure .

An observer is standing in a lighthouse 96 feet above the level of the water.i.e AC = 96 feet

The angle of depression of a buoy is 22° i.e. ∠ABC = 22°

Now we are required to find  the horizontal distance between the observer and the buoy i.e. BC

Now, use trigonometric ratio.

tan\theta = \frac{Perpendicular}{Base}

tan22^{circ} = \frac{96}{BC}

0.404= \frac{96}{BC}

BC= \frac{96}{0.404}

BC= 237.62

Thus the horizontal distance between the observer and the buoy  is 237.62≈238 feet.

lorasvet [3.4K]3 years ago
4 0
Tan(theta)=opp/adj
Tan(22)=96/x
X=96/tan(22)
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