Question

The diameter D of a sphere is 17.8cm . Calculate the sphere's surface area A .
Use the value 3.14 for Pi , and round your answer to the nearest tenth

Answer 1

\[SA = 4 \pi r^2\]

Answer 2

pi thats me :P lol anyways yeah u can substitute the values in the formula above right?

Answer 3

you would round your answer to the nearest tenth

Answer 4

probably 994.9 u can use a calci right? just concert the diameter to radius dividing by 2

Answer 5

oh ok