SOLUTION: if the pie is 3.14 and the circumference is 39.25 what is the diameter?

Algebra ->  Circles -> SOLUTION: if the pie is 3.14 and the circumference is 39.25 what is the diameter?      Log On


   

Question 294866: if the pie is 3.14 and the circumference is 39.25 what is the diameter?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
C+=+2%2Api%2Ar pi, the Greek letter, not pie the dessert
39.25 = 2*3.14*r
r = 39.25/(2*3.14)
r = 6.25
diameter = 12.5