WAEC Mathematics 2025 Objective — Question 38
Question 38 of 51 from the West African Examinations Council (WAEC) Mathematics 2025 Objective paper, with the correct answer and a full explanation.
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The diameter of a sphere is 12 cm. Calculate, correct to the nearest cm^3, the volume of the sphere. [Take pi = 22/7]
- A. 903 cm^3
- B. 904 cm^3
- C. 905 cm^3Correct
- D. 906 cm^3
Explanation
Radius=6cm. Volume=(4/3)(pi)r^3=(4/3)(22/7)(6^3)=(4/3)(22/7)(216)=905.14, approximately 905 cm^3.
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