Question 34
Mensuration of SolidsThe volume of a cylinder of radius 14cm is 210cm3. What is the curved surface area of the cylinder?
- A.15cm2
- B.30cm2
- C.616cm2
- D.1262cm2
Show the answer and explanation
Answer: B (30cm2)
Explanation
Curved surface 2πrh = 2 × (πr2h)/r = 2 × 210/14 = 30 cm2.