JAMB Mathematics 2007 Objective — Question 35
Question 35 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2007 Objective paper, with the correct answer and a full explanation.
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A man 40m from the foot of a tower observes the angle of elevation of the tower to be 30 degrees. Determine the height of the tower.
- A. 40sqrt(3) m
- B. 40sqrt(3)/3 mCorrect
- C. 40m
- D. 20m
Explanation
tan30 = h/40, so h = 40.tan30 = 40 x (1/sqrt(3)) = 40sqrt(3)/3 m.
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