# Find the Circumference circle (2)

The circumference of a circle is equal to Pi times the diameter .

Since the diameter is equal to times the radius , the formula for circumference using radius is .

Substitute the value of the radius into the formula for the area of a circle. Pi is approximately equal to .

Multiply by .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Do you need help with solving Find the Circumference circle (2)? We can help you. You can write to our math experts in our application. The best solution for you is above on this page.