### Method 1 : Find circumference of a circle via diameter.

**C = πd**

**C = πd**

### Method 2 : Find circumference of a circle via radius.

**C = 2πr**

**Conclusion :**

In circle related problems, we must have a problem as how to calculate the circumference of a circle. But i would to say that this is a very simple mathematics problem at geometry. So if you working at any topics that is related to circumference of a circle then read this guide till end because today we'll tell you, how to find circumference of a circle in easy 2 methods.

First you need to write down the formula for solving the circumference of a circle using the diameter.

Where :-

C = the circumference of the circle

d = diameter.

π = 3.14 (numerical value)

This formula represent the solution of circumference of a circle. OK now we calculate this by taking examples.

Let the given circle have a diameter which is 30 meter and we know that π = 3.14 so now let us calculate this as.

The circumference of the circle...

C = 3.14×30

C = 94.2 m Solved.

That is required circumference of the circle.

This method also have a easy formula that you can remind easily and solve circumference of a circle via radius. So first you need to note given formula at your notebook and go to next steps via follow us.

Where..

C = the circumference of the circle

r = radius of circle

π = 3.14 (numerical value)

Let the radius of circle is 15 meter and π = 3.14 so now let us calculate of formula, we get...

C = 2πr

C = 2×3.14×15

C = 94.2 m ..... solved

This is required circumference of the circle.

So you learned that how can we easily calculate any circumference of the circle. Now you can done your work without any problem so if you found this article useful then tell your friends about it.

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