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Geometry
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OpenStudy (mackenzie2013):
What is the radius of a circle that has a circumference of 81.64 meters?
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OpenStudy (e.mccormick):
Know the formula for the circumference?
OpenStudy (mackenzie2013):
I do but im kinda confused
OpenStudy (e.mccormick):
\(C=2\pi r\) So put in what you know, C, and solve for what you don't, r.
OpenStudy (anonymous):
Didnt you post this up before I just answered this ?
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