I'm having trouble with the surface area of the sphere. Like, here's a question I'm having trouble solving:

What is the approximate surface area of the sphere if it is 7 centimeters?
a. 615 cm^2
b. 539 cm^2
c. 154 cm^2
d. 84 cm^2

Please show all work and how you solvedi t. Please thank you!

2 answers

if the radius is 7 cm, then the area is

4πr^2 = 4π*49 = 615.75 cm^2
Just use the formula to solve it. I'm also struggling too so don't feel bad. You ain't the only one