Definition: This may be calculated from its diameter using the formula:
C=πd or
Or, substituting the radius for the diameter:
C=2πr
Where r is the radius and d is the diameter of the circle, and π is the constant 3.141592

What is the term?

Definition This may be calculated from its diameter using the formula Cπd or Or substituting the radius for the diameter C2πr Where r is the radius and d is the class=