Please help don’t get it

Answer:
A
Step-by-step explanation:
One complete turn is 1 perimeter (aka circumference).
We have to find the length it turned, hence, its circumference.
The formula for circumference (C) of a circle is:
[tex]C=2\pi r[/tex]
Where r is the radius
The radius is HALF of diameter. Given diameter is 250, the radius is:
r = 250/2 = 125 feet
Now, substituting in formula we have:
[tex]C=2\pi r\\C=2\pi (125)\\C=250\pi\\C=785.4[/tex]
So, it turned 785.4 feet with 1 rotation.
The correct answer is A