SOLUTION: If the ratio of a circle is 5mm What is the circumference of the circle? I have tried adding 5x4 for the ratii around the circle, but I dont know if it's right please help!

Question 417870: If the ratio of a circle is 5mm What is the circumference of the circle? I have tried adding 5x4 for the ratii around the circle, but I dont know if it's right please help!
Answer by praseenakos@yahoo.com(507) (Show Source): You can put this solution on YOUR website!
is the radius given 5mm(u have typed ratio..juz wondering)
if radius is 5mm, circumference ,

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