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anonymous
 4 years ago
Find the surface area of the sphere to the nearest square unit.
hold on, i have to draw it
anonymous
 4 years ago
Find the surface area of the sphere to the nearest square unit. hold on, i have to draw it

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1347568958290:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[\huge SA = 4\pi r^2\] will that help?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0just make sure ur using the radius not the diameter

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0no it doesn't help/: A. 13 in.2 B. 50 in.2 C. 6 in.2 D. 3 in.2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0how do i find the answer

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0what is your radius in this problem? do you know?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0no. that is the diameter. to get the radius, divide that by 2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0right. so substitute that to the equation i gave you

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i feel like an idiot, idk what to do

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0r = 1 right? because it's the radius`

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so replace r with 1 in the equation i wrote...what do you get?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0will you elaborate how you got that?
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