Question

(IV) From the top of a lighthouse, an observer looking at a ship makes angle of
depression of 60°. If the height of the light house is 90 metres, then how far
the ship is from the light house.
(V3 = 1.73)
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Answer 1

Answer:

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Answer 2

Answer:

Brainly.in

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Secondary School Math 5 points

From the top of a lighthouse an observer looking at a ship makes angle of depression of 60°. If the height the lighthouse is 90 metre then find how far the ship is from the lighthouse. (root 3=1.73

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9552688731

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According to the attachment,

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tan∅ = AB/BC

tan60° = 90/BC

√3 = 90/BC

BC×√3 = 90

BC = 90/√3

BC. = 90/1.73

BC = 52.023 m (approximate)

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so ship 52.023 meter far from the light house.