Question

circumference of a circle ​

Answer 1

Answer:

hi

Step-by-step explanation:

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

Answer:

2πr,,,,,,,,,,,,,,,,,,