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arlik
[135]
3 years ago
5
a man in a lighthouse tower that is 30ft he sports a ship at sea at an angle of depression of 10 degree how far is the ship from
the base of the lighthouse
Mathematics
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1
answer:
Llana
[10]
3 years ago
3
0
We have a triangle where.
a=adjacent leg of A=30 ft
A=90º-(angle of depression)=90º-10º=80º
b=distance between the base of the lighthouse and the ship
tan A= opposite /adjacent.
tan 80º=b /30 ft ⇒
b=(30 ft)(tan 80º)≈170.14 ft
Answer: the distance would be 170.14 ft
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