Answer:
A=pi(r)^2 i don't have the pi symbol so ill j say pi
A=pi(18)^2
A=324pi
if they want u to leave with pi that is the answer if not then its
A=1017.9
C= 2pi(r)
C=2pi(18)
C=36pi
same thing here if they want u to leave it with pi that's the answer if not then
C=113.1
