A train travels on a 30 mile long circular track that surrounds an entire city. What is the area of the city rounded to the nearest half mile?

Answer 1

C = pi * d
30 = 3.14d
9.55 = d

A = pi * r^2
A = 3.14 * 4.777^2
A = 3.14 ^ 22.82
A = ?

Answer 2

Thanks

Answer 3

You're welcome.