Respuesta :

xxkellyjelly
Use the formula: 2πr


2πr
= 2 x 3.14 x 2
= 12.56

The perimeter/circumference of the circle is 12.56.
The perimeter for a circle is known as the Circumference.

So use the formula : 3.14(Diameter)

To get the diameter you multiply the radius by 2