I believe the answer is 15in because the formula for circumference is pie× diameter and then you divide 47.1 by 3.14 or pie and you get 15 in. I Hope this helps you!! :)
Answer:
23.87
Step-by-step explanation:
-9x=-36
divide both sides by -9
to get x by itself
to get +x
-9x/-9= -36/-9
cross out -9 and -9, then becomes -1*-1*x= x
x= -36/-9
answer:
x= 4
The answer: 17.76 square mi