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JAMB Mathematics 2008 Objective — Question 36

Question 36 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2008 Objective paper, with the correct answer and a full explanation.

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A student sitting on a tower 68 metres high observes his principal's car at an angle of depression of 20. How far is the car from the bottom of the tower to the nearest metre?

  • A. 184 m
  • B. 185 m
  • C. 186 m
  • D. 187 mCorrect

Explanation

tan20 = 68/x. x = 68/tan20 = 68/0.364 = 186.83m, approximately 187 m.

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