The circumference of a circle is defined below.
What is a circle ?
A circle is a round shaped figure whose all the point lie in one plane and are equidistant from a single point known a center.
The diameter of the circle is a chord whose start and end points lie on the circle and it passes through the center of the circle.
The radius is half of the diameter.
The circumference of the circle can also be called as the perimeter of the circle and can be defined as the distance a person covers if he takes one complete round.
Circumference has wide usage in calculation of the outer boundary , to calculate number of revolutions
It is given by the formula
Circumference = 2πr , r is the radius
To know more about Circle
https://brainly.com/question/11833983
#SPJ2
