edgarlopez156578 edgarlopez156578

12-05-2018
Mathematics

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if C=2πr what is r equal to?

a) r = C - 2π
b) r = C + 2π
c) r = 2πC
d) r=C/2π

Respuesta :

12-05-2018

To find the value of r, you want to move everything else to the other side of the equation sign. Since 2π is being multiplied by r, you need to divide both sides by 2π to get it onto the other side:
C=2πr
r=C/2π

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Answer: D

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