Question
From the top of a lighthouse 120 m above the sea, the angle of
depression of a boat is 15°. How far is the boat from the lighthouse?
Provide an Illustration.
depression of a boat is 15°. How far is the boat from the lighthouse?
Provide an Illustration.
Answers
oobleck
Draw the diagram. It should be clear that
120/x = tan15°
120/x = tan15°