WAEC Mathematics 2023 Question 18

Question 18

Mensuration of Solids

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

  1. A.27π cm3
  2. B.108π cm3
  3. C.36π cm3
  4. D.30π cm3
Show the answer and explanation

Answer: C (36π cm3)

Explanation

V = (4/3)πr³ = (4/3)π × 27 = 36π cm³.