edgarlopez156578 edgarlopez156578
  • 12-05-2018
  • Mathematics
contestada

if C=2πr what is r equal to?

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

Respuesta :

ali015
ali015 ali015
  • 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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