Question

Find the surface area of the sphere.

Answer 1

SA = 4pi.r^2

Answer 2

so you have 4.pi.8^2
= 4 x (3.14 x.64

so what do you get

Answer 3

803.84

Answer 4

that is what I got as well

Answer 5

the answer choices are 64picu.in
256picu.in, or 1,024picu.in

Answer 6

sooo i dont think thats the answer

Answer 7

ok, they are just leaving pi as it is so you have 64 x 4 x pi =

Answer 8

256

Answer 9

just don't multiply by 3.14, leave pi as it is, so just multiply 64 x 4, then pi

that is correct 256pi

Answer 10

k thnx

Answer 11

yw :)