Question

A sonar operator on a ship detects a submarine at a distance of 500 meters and an angle of depression of 40°. How deep is the submarine?

Answer 1

Answer:

got:

280

m

Explanation:

Consider the diagram:

enter image source here

Considering Trigonometry we can say that:

h

400

m

=

tan

(

35

∘

)

h

=

280

m