Answer :
1. I am not given enough informtion.
2. v/(4/3)π=r³
201/(4/3)π=r³
47.98=r³
3.63in
3.v=(4/3)πr³
v=(4/3)π7³
v=343(4/3)π
v=1436.75m
4. o is circumference:
v=((o/π)/2)³ (4/3) π
v=((50.3/π)/2)³ (4/3) π
v=513((4/3)π)
v=2148cm
Hope this helps :)
2. v/(4/3)π=r³
201/(4/3)π=r³
47.98=r³
3.63in
3.v=(4/3)πr³
v=(4/3)π7³
v=343(4/3)π
v=1436.75m
4. o is circumference:
v=((o/π)/2)³ (4/3) π
v=((50.3/π)/2)³ (4/3) π
v=513((4/3)π)
v=2148cm
Hope this helps :)