The surface area (in m2) of a sphere of radius 7 cm is: (Use $π=\frac{22}{7}$)
Answer & explanation
Correct answer: option 1
Radius of sphere = 7 cm
Surface area = 4Πr2 = 4Π*7*7 = 4*22/7 * 7 * 7 = 28*22/10000
The correct answer is Option (1) → 0.0616