Question

circumference of a circle
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Answer 1

Answer:

In geometry, the circumference is the perimeter of a circle or ellipse. That is, the circumference would be the arc length of the circle, as if it were opened up and straightened out to a line segment. More generally, the perimeter is the curve length around any closed figure

Answer 2

Step-by-step explanation:

Circumference of the circle is the perimeter of a circle.

C = 2πr