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Geometry 17 Online
OpenStudy (anonymous):

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

OpenStudy (amistre64):

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

OpenStudy (mayankdevnani):

\[2\Pi r\]

OpenStudy (mayankdevnani):

what is the radius? @sue101

OpenStudy (amistre64):

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

OpenStudy (mayankdevnani):

can you find radius? @sue101

OpenStudy (amistre64):

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

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