Question

How do you find the radius of a circle with a circumference of 12pi

Answer 1

Answer:

6

Step-by-step explanation:

The circumference of a circle is $2\pir$$\pi r$, so $12\pi=2\pi r\\12=2r\\r=6$.  We can use this because the area of a circle is $\pi r^2$.  Thus, $\pi*6^2=36\pi$.