Question

Find the surface area of a sphere with a circumference of 86 cm. Round to the nearest tenth.

Answer 1

so, what is the formula for the surface area of a sphere?

Answer 2

\[2\Pi r\]

Answer 3

what is the radius? @sue101

Answer 4

we can forgo the radius perse by algebrating the formulas and then inserting the specifics ... just a thought

Answer 5

can you find radius? @sue101

Answer 6

i was watching my physics teacher the other day, and he has this bad habit of trying to solve smaller parts as he moves along instead of deriving a useful end form to begin with