What is the surface area of a sphere whose diameter is 16.8 cm? [Use $π = \frac{22}{7}$]
Answer & explanation
Correct answer: option 4
We know that,
The surface area of a Sphere = 4πr²
We have,
Diameter of sphere = 16.8 cm.
Then, radius = 8.4 cm
Now,
The surface area of Sphere,
= 4 × \(\frac{22}{7}\) × ( 8.4)²= 887.04 cm2.