Practice Example 4 (9.1.4) - Some Applications of Trigonometry

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10 questions

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6 sample questions

Question 1.
What is the angle of elevation from point P to the top of the building?
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Refer to the angle mentioned in the problem statement.
Question 2.
What is the height of the building?
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The problem states this directly.
3Question 3.
What is the angle of elevation to the top of the building?
- 30°
- 45°
- 60°
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Check the provided information carefully.
4Question 4.
Is tan(30°) equal to 1/√3?
- True
- False
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Remember your trigonometric basics!
Question 5.
If the angle of elevation to the top of the building changed to 60°, calculate the new distance PA.
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Remember the value of tan(60°) is √3.
Question 6.
Suppose the height of the building was increased to 15 m, while maintaining the same angles of elevation. Find the new height of the flagstaff.
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Use the same method but modify the known height.

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