- A200
- B100
- C110
- D90
Step-by-Step Solution
Angle of depression 45 = angle of elevation at boat. tan m.
Answer: B) 100
The angle of depression of a boat from the top of a 100 m lighthouse is 45°. The horizontal distance (in m) of the boat from the foot of the lighthouse is:
Class 10Heights and DistancesTrigonometry
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