The answer to number 2 is $1,004.80
I’m not sure about 3, i don’t know if she has a money or space limit
The radius is 8 and we need to find the circumference
First find the diameter by multiplying 8 by 2
Next multiply the diameter by pi
16•3.14=50.24
The cost of fencing is $20/ft
50.24•20=$1,004.80
