SOLUTION: two formulas for the circumference of a circle C=2 pi r and C=pi d.If you could only rememberone of them,could you always find the circumference of a circle?explain

Algebra ->  Equations -> SOLUTION: two formulas for the circumference of a circle C=2 pi r and C=pi d.If you could only rememberone of them,could you always find the circumference of a circle?explain      Log On


   

Question 26054: two formulas for the circumference of a circle C=2 pi r and C=pi d.If you could only rememberone of them,could you always find the circumference of a circle?explain
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Yes, because 2r=d, that is two times the radius is the diameter.
Cheers,
Stan H.