Question

What is the surface area of a sphere with a radius of 14 units?

Answer 1

Answer:

$SA=784\pi\ units^{2}$

Step-by-step explanation:

we know that

The surface area of a sphere is equal to

$SA=4\pi r^{2}$

we have

$r=14\ units$

substitute

$SA=4\pi (14)^{2}$

$SA=784\pi\ units^{2}$