Mathematical and Computing Sciences question #368

Kaitlin Dupuis, a 13 year old F from asks on April 15, 1998

Q:What is the linear function of a circumference of circle to its diameter? I know the ratio is equal to pi (3.14) but I would like to know its linear function?

the answer

Jonathan M. Borwein answered on April 15, 1998

A:

Since C = Circumference = 2 Pi times Radius = Pi times Diameter, I imagine the linear function is C(D) = Pi D.


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