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OpenStudy (anonymous):
The area of a circle is found using the formula A=π^2, where r is the radius. If the area of a circle is 36πsquare feet, what is the radius, in feet? A.6 B. 6π C. 18 D. 9π
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OpenStudy (anonymous):
πr^2=36π r^2=36 r=6
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