Question

perimeter of circle​

Answer 1

Answer:

2pie r

Hope this help u......

Answer 2

Answer:

 that the perimeter of a circle has its own special name, called "circumference." The symbol is a capital C. It is calculated using the formula Pi x diameter, or 3.14 x d = C. It can also be calculated by Pi x (2 x radius) = C or 3.14 x (2 x r) = C.