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Mathematics 7 Online
OpenStudy (anonymous):

What is the circumference of the given circle in terms of pie

hartnn (hartnn):

\(\Large Circumference C = 2\pi r \)

OpenStudy (anonymous):

|dw:1396714414032:dw|

OpenStudy (anonymous):

\[Circumference = 2 \times \pi \times r\]

hartnn (hartnn):

is that 14 in ? r = 14 in

OpenStudy (anonymous):

Yes its 14.

hartnn (hartnn):

plug in r = 14 in 2pi r

OpenStudy (anonymous):

I got 87.92

hartnn (hartnn):

since we want answer in terms of pi, keep pi as pi only C = 2*14pi = 28 pi thats it!

OpenStudy (anonymous):

Thanks

hartnn (hartnn):

welcome ^_^

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