WAEC Mathematics 2016 Objective — Question 17
Question 17 of 50 from the West African Examinations Council (WAEC) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
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17. The volume of a pyramid with height 15cm is 90cm³. If its base is a rectangle with dimensions x cm by 6cm, find the value of x. A. 3 B. 5 C. 6 D. 8
- A. 3Correct
- B. 5
- C. 6
- D. 8
Explanation
Volume=(1/3)×base×height → 90=(1/3)×base×15 → base=18cm²=x×6 → x=3.
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