Respuesta :

abiolatolu90

Answer:

The fencing Chaz used for the pen is 56.67 feet

Step-by-step explanation:

Fencing interprets to circumference

If the radius of the pen is 9 ft

circumference = [tex]2\pi r[/tex]

= 2*(22/7)*9

= 396/7

= 56.67 ft