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OpenStudy (anonymous):
find the circumference of each circle. use 3.14 0r 22/7 for n reound to the nearest tenth if necessary radius=4.7km the answers are a=28.2 b=29.5 c=31.3 d=14.8
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OpenStudy (anonymous):
C=2(pi)r, so, c=2(3.14)(4.7), which turns out to be b
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