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WAEC Mathematics 2023 Objective — Question 18

Question 18 of 50 from the West African Examinations Council (WAEC) Mathematics 2023 Objective paper, with the correct answer and a full explanation.

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A sphere has a radius 3cm. Find, in terms of π, its volume.

  • A. 27 πcm³
  • B. 36 πcm³Correct
  • C. 30 πcm³
  • D. 108 πcm³

Explanation

Volume of a sphere=(4/3)πr³=(4/3)×π×3³=(4/3)×π×27=36πcm³.

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