Question

Is it A B or C Help me

Answer 1

A=314 in^2
A= π•r^2
314=3.14•r^2
r^2=314/3.14
r^2=100
r= √100
r=10
d=2•r
d=2•10
d=20in
Answer is B

Answer 2

The answer is A. Hope this helpssssssss