Question

what is circumference...​

Answer 1

✌✌Hey, mate here is your answer⤵

Relationship with π The circumference of a circle is related to one of the most important mathematical constants. This constant, pi, is represented by the Greek letter π. ... Pi is defined as the ratio of a circle's circumference C to its diameter d: Or, equivalently, as the ratio of the circumference to twice the radius.

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Answer 2

1)the outer most part of a circle

or we can say that 2)a outline boundary of the circle

3)circumference is the perimeter of circle