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OpenStudy (anonymous):
find the circumference of the circle with the given radius. (use 3.14 for pi) radius=30cm
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OpenStudy (raden):
use the formula : circumference = 2*pi*r with r=radius
OpenStudy (raden):
so, what's 2 * 3.14 * 30 ?
OpenStudy (raden):
got it ?
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