chriisylove110 chriisylove110

16-03-2016
Mathematics

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What is the circumference of a circle if the diameter is 7ft

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Аноним Аноним

16-03-2016

you find the circumference is 2PIr
so radius is half of the diameter so 7/2=3.5
pi= 3.14
2*3.14=6.28
6.28*3.5= 21.98

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