The radius of a sphere is 14 cm. What is the surface area of this sphere? [Use π = $\frac{22}{7}$]
Answer & explanation
Correct answer: option 1
We know that,
The surface area of the sphere = 4πr2
We have,
The radius of a sphere = 14 cm
SA = 4 × \(\frac{22}{7}\) × (196)
SA = 4 × 22 × 28 = 2464 cm2