Respuesta :

The formula for the area of a circle is pi*radius^2

16pi=pi*radius^2

Divide by pi

16=radius^2

Take the square root of both sides

Radius=4

Answer:

The radius is 4 ft

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

16 pi = pi r^2

Divide each side by pi

16pi /pi = pi r^2/pi

16 = r^2

Take the square root of each side

sqrt(16) = sqrt(r^2)

4 =r