Respuesta :

This is circumference

A piece of ribbon is to be wrapped around the perimeter of the circle by Cameron .Perimeter is sum of  measure of all the sides of any figure.

In a circle the perimeter is also known as the circumference of the circle.

The circumference of any circle can be found by the formula C = 2π r.

Where r is the radius of the circle .π has a fixed value which equals 3.14.