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OpenStudy (anonymous):
find the radius of a circle whose circumference is 39.564 cm
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OpenStudy (saifoo.khan):
\[C = \pi \frac{r}{2}\]
OpenStudy (anonymous):
hey saifoo can you help me after?
OpenStudy (saifoo.khan):
@HorribleAtMath , i can try for sure! ;D
OpenStudy (anonymous):
ok please go to my last question :)
OpenStudy (apoorvk):
circumference= c = 2* pi* r you have the 'c'. now substitute and 'r' post you answer and verify!
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