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 = 
= 2*(22/7)*9
= 396/7
= 56.67 ft
I would but I’m stuck on this problem too
Do Pemdas
P:Parenthesis
E:Exponent
M:Multiplication
D:Divide
A:Addition
S:Subtraction