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A lighthouse is 15m above sea level. The lighthouse operator sights a boat at an angle of depression of 25 degrees. How far is the boat from the lighthouse? Round your answer to the nearest tenth.
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2 votes
A lighthouse is 15m above sea level.

The lighthouse operator sights a boat at an angle of depression of 25 degrees.
How far is the boat from the lighthouse?
Round your answer to the nearest tenth.

User Ruu
by
7.6k points

2 Answers

2 votes
For this you will use the tangent function. You have the adjacent side and have to find the opposite side.

tan x = opposite/adjacent
tan 25 = x/15
15 (tan 25) = x
6.9946 = x

So the boat is approximately 6.9946 m away from the lighthouse.
User FrozenHeart
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7.6k points
4 votes

Answer:

41.2

Explanation:

User Nfarshchi
by
7.5k points
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