The dog is able to run around in a circle with a radius of9 ft.
The area of a circle is A = pi r^2
A = (3.14) (9)^2
A= (3.14)(81)
A= 254.34 sq ft
theres a thing called a calculator
Answer: 15856
Step-by-step explanation: 166786.9963 - 150930.6256
= 15856.3707
= $15856