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zepelin [54]
3 years ago
8

Answerr 5 & 6 pleaseee

Mathematics
2 answers:
choli [55]3 years ago
4 0

Answer:

5. 2

6. 10

i hope these are right!

Step-by-step explanation:

stepan [7]3 years ago
4 0
2 , 10 on here why do we need like 20 characters though
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Find the angle of depression from the top of a lighthouse, 260 feet above water to a ship that's 270 feet offshore?
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Answer: OPTION C.

Step-by-step explanation:

Observe the triangle ABC attached.

Notice that the angle of depression is represented with \alpha.

Knowing that the top of a lighthouse is 260 feet above water and the ship is 270 feet offshore, you can find the value of  \alpha by using arctangent:

\alpha= arctan(\frac{opposite}{adjacent})

In this case you can identify that:

opposite=260\\adjacent=270

Therefore, substuting values into  \alpha= arctan(\frac{opposite}{adjacent}), you get that the angle of depression is:

 \alpha= arctan(\frac{260}{270})\\\\\alpha=43.92\°

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