The area of circle b is 144 pi ft². find the circumference of circle b.

Data:

Circumference length = ?

Note¹: Knowing that the area of the circle "B" is calculated by the following formula: , using the data we have will find the value of the radius.

Data:

Solving:







Note²: Now, we will find the size of the circumference with the data already collected, so we will have:

Formula: 
Adopting: 

Solving: