Case Study Question 04
Mathematics
Chapter 9: Some Applications of Trigonometry
Class 10
A boy is standing on the top of light house. He observed that boat P and boat Q are approaching to light house from opposite directions. He finds that angle of depression of boat P is 450 and angle of depression of boat Q is 300. He also knows that height of the light house
is 100m.
Based on the above information, answer the following questions.
Question.1.
What is the length of CD?
- 100m
Question.2.
What is the length of BD?
- 100√3 m
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