Answer:
216r^3
Step-by-step explanation:
18*r^2*12*r
216*r^3
216r^3
I hope it's help!
Answer:
24.48757954 (I don’t know what it wants you to round it by
Step-by-step explanation:
Circumference= pi times diameter, radius is half of the diameter, so divide 153.86 divided by pi and then divide by 2 again