izzy101912 izzy101912

31-05-2016
Mathematics

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the diameter of the earth at the equator is about 8,000 mi. Based on this figure ,how far is it exactly around the earth

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c5h11no2 c5h11no2

31-05-2016

C = 2 π r
C = 8,000 π or 25,133 miles

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apologiabiology apologiabiology

31-05-2016

basically, we want to find the circumfernece of the earth
C=pid
d=diameter
pi=pi (aprox pi=3.1419256)
C=3.14159256*8000
C=25132.74048 feet

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