what is the circumference of a circle

what is the circumference of a circle ?

The distance around the circle is Circumference. In a circle, the distance from center to any point of a circle is called radius. And the line which touches two points of the circle and passes through the center is known as Diameter of a circle.
The formula to find the Circumference of a circle C is C = 2 × Pi × r
Which means Circumference of a circle is 2 times the value of pi times r
Where, r = radius of a circle and
Pi=3.142 which is a constant value.
The formula to find the Circumference of a Circle with Diameter is
C=Pi*d
Which means the circumference of a circle is pi times the diameter.
where, d=Diameter of a circle and
Pi=3.142 which is a constant value.
As we know Diameter is equal to radius divided by 2, we can use the first formula when we have the Diameter in a given problem.
D = r / /2
Which means diameter d is radius r divided by 2.
Now, we can write the equivalent formula for the diameter which is radius is 2 times the diameter.
r=2 × D
The circumference of circle units can be measured in linear units, like inches, centimeter etc,

In our next blog we shall learn about black hole facts I hope the above explanation was useful.Keep reading and leave your comments.