Mathematics

Mathematics, 11.10.2019 04:30, shaymabejja1965

Math..
the circumference (c)c of a circle is 1818 centimeters. which formula can you use to find the radius (r)r if you know that c=2πrc=2πr?

a. r=c2πr=c2π

b. r=2cπr=2cπ

c. r=πc2r=πc2

d. r=2πc

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