Question 34
Mensuration of SolidsA sphere of radius r cm has the same volume as a cylinder of radius 3 cm and height 4 cm. Find the value of r.
- A.⅔
- B.2
- C.3
- D.6
Show the answer and explanation
Answer: C (3)
Explanation
⁴⁄₃πr³ = π × 3² × 4 = 36π, so r³ = 27 and r = 3.