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Mathematics 20 Online
OpenStudy (anonymous):

The circumference of a circle is 4pi m^3n%5 cm. What is the area of the circle?

OpenStudy (amistre64):

\[C = 2pi \ r\]might be helpful

OpenStudy (anonymous):

2m^3n^5 cm2

OpenStudy (amistre64):

\[A = pi\ r^2\] putting these together, maybe: \[A = pi * (\frac{C}{2pi})^2\]

OpenStudy (anonymous):

would it be that ?

OpenStudy (amistre64):

i dunno what you wrote, but if you can fit it into the formula that might work

OpenStudy (anonymous):

4pi m^6n^10 cm2 would be the answer?

OpenStudy (amistre64):

\[A=\frac{C^2pi}{2^2pi\ pi}\] \[A=\frac{C^2}{4pi}\]

hero (hero):

\[A=\frac{C^2}{4 \pi}\]

OpenStudy (anonymous):

ok got it thank you for your patience!

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