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OpenStudy (anonymous):
Find the surface area of a sphere with a circumference of 86 cm. Round to the nearest tenth.
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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
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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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