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OpenStudy (anonymous):
The circumference of a circle is 24 kilometers. What is its radius?Estimate, using 3 for π.
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OpenStudy (anonymous):
please give an accurate answer. Thanks
hero (hero):
C = 2πr 24 = 2πr 24/2π = r 12/π = r
hero (hero):
12/3 = r 4 = r
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