JAMB Mathematics 2019 Objective — Question 35
Question 35 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2019 Objective paper, with the correct answer and a full explanation.
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A school boy lying on the ground 30m away from the foot of a water tank observes that the angle of elevation of the top of the tank is 60°. Calculate the height of the water tank
- A. 60m
- B. 30√3mCorrect
- C. 20√3m
- D. 10√3m
Explanation
tan60° = h/30 ⇒ h = 30tan60° = 30√3 m.
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