Mathematics, 10.07.2019 02:30 uhhhhhidk
Use the given circumference to find the surface area of the spherical object. round your answer to the nearest whole number. c=27in. answer is 232 i'm just not sure how to work it out.
Answers: 1
![\bf \textit{circumference of a circle}\\\\ C=2\pi r~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=27 \end{cases}\implies 27=2\pi r\implies \cfrac{27}{2\pi }=\boxed{r} \\\\[-0.35em] \rule{34em}{0.25pt}](/tpl/images/0071/6713/934df.png)
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