Suppose the circumference of a circle is 12 pi. What is its area? ​

We need to find the radius

2pi*r = 12pi    divide both sides by pi

2r  = 12   divide both sides by 2

r = 6

So the area =  pi*(r^2)  =  pi (6^2)  =   36 pi   = about  113.1  square units