If the radius or a circle is r, then the the area is pi*r^2, while the circumference is 2*pi*r (probably you know that).

Here pi*r^2 = 196*pi, so r^2 = 196, r = 14 (inches).Therefore circumference is 2*pi*r = 28*pi (inches).

Secure Information

Content will be erased after question is completed.

Enter the email address associated with your account, and we will email you a link to reset your password.

Forgot your password?

Sign Up