Answer:
Step-by-step explanation:
25/2=12.5= π(12.5)=12.5 x 12.5= π(156.25)=
π = 490.87 x 4= 1963.48
6
is the correct answer
Simple, 4*pi*r^2
Im not sure if im correct but I think the answer is 82 hours.
the answer is b, 12
16-4=12