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A man in a lighthouse tower that is 30 ft. He spots a ship at sea at an angle of depression of 10°. How far is the ship from the base of the lighthouse?

A man in a lighthouse tower that is 30 ft. He spots a ship at sea at an angle of depression of 10°. How far is the ship from the base of the lighthouse?
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5 votes
A man in a lighthouse tower that is 30 ft. He spots a ship at sea at an angle of depression of 10°. How far is the ship from the base of the lighthouse?

asked
User Tsaarni
by
8.6k points

1 Answer

2 votes

Answer:

170.16 ft

Explanation:

tan10° = 30/x

x = 30x/ tan 10° = 30/0.1763

=170.16 ft

answered
User Dax Feliz
by
8.4k points
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