Post-UTME Mathematics 2016 Objective — Question 60
Question 60 of 60 from the Post-UTME Screening (Post-UTME) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
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Trigonometry 10. An object moved in a circular path of radius 21m such that it made an angle of 30°. What is the distance (in metres) covered by the object?
- A. 11Correct
- B. 21
- C. 31
- D. 41
Explanation
L=rθ, with θ=30°=π/6 radians; L=21x(22/7)/6 = 21x22/42 = 11m.
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