WAEC Mathematics 2013 Objective — Question 15
Question 15 of 50 from the West African Examinations Council (WAEC) Mathematics 2013 Objective paper, with the correct answer and a full explanation.
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The curved surface area of a cylindrical tin is 704cm². If the radius of its base is 8cm, find the height. [Take π=22/7]
- A. 14cmCorrect
- B. 9cm
- C. 8cm
- D. 7cm
Explanation
Curved surface area = 2πrh. 704 = 2×(22/7)×8×h. h = 14cm.
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