Question 26
Mensuration of SolidsCalculate the surface area of a sphere of radius 7cm. (Take π = 22/7)
- A.86cm2
- B.154cm2
- C.616cm2
- D.1434cm2
- E.4312cm2
Show the answer and explanation
Answer: C (616cm2)
Explanation
Surface area = 4πr2 = 4 × 22/7 × 49 = 616cm2.