# Relationship between circumference diameter and pi

### Relationship of Circumference to Diameter ~ Understanding Pi -

The circumference is equal to two times pi times the radius (C = 2*pi*r). What is the relation between the diameter of a circle and its own circumference?. Relationship of Circumference to Diameter ~ Understanding Pi of operations, and/or the relationship between addition and subtraction; relate the strategy to a . The quantity pi is a mathematical constant defined as the ratio of a circle's circumference Relationship Between Diameter and Circumference.