# Relationship between circumference and pi

### Circumference - Wikipedia

Column Pi (Ratio of the Circumference of a Circle to Its Diameter) In fact, however, there is a relationship between the terms. Each term is decided by. Because of this relationship, we can calculate the circumference if we only know the diameter, and vice versa. Pi, as we know, is a. In geometry, the circumference of a circle is the (linear) distance around it. Pi is defined as the ratio of a circle's circumference C to its diameter d: π = C d. {\ displaystyle \pi ={\frac {C}{d}}.} {\displaystyle \pi.

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• Relating circumference and area