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OpenStudy (mackenzie2013):
The circumference of the earth is about 25,000 miles. Approximately how far is it from any point on the earth's surface to its center? 7,962 miles 3,981 miles 12,500 miles 78,500 miles
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OpenStudy (mackenzie2013):
@lacrosseplayer22 :)
OpenStudy (anonymous):
2pir=25000
OpenStudy (mackenzie2013):
So you take 2 times Pi which is 3.14
OpenStudy (anonymous):
forgetting the r
OpenStudy (mackenzie2013):
ohh So you take 2 time pi and times R ?
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