SOLUTION: LPG is stored in highly insulated spherical vessels in most oil refineries. If the inside diameter of one of these tanks is 11.4 ft find its volume. Report answer to the nearest on

Question 280401: LPG is stored in highly insulated spherical vessels in most oil refineries. If the inside diameter of one of these tanks is 11.4 ft find its volume. Report answer to the nearest one tenth of a gallon. Use pi = 3.14 and 1 cubic ft = 7.5 gallons.
Found 2 solutions by checkley77, richwmiller:
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
V=pir^2h
You've given me pi & r but no h.
Need an [H] value to solve.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
The other tutor was thinking cylinder not sphere
V=4/3pi*r^3
d=2r
r=11.4/2=5.7
V=4/3*3.14*5.7^3
V = 775.341 ft^3 cubic feet
the result will be ft^3
1 cubic ft =7.5 gallons
so multiply the cubic ft by 7.5 to get the volume in gallons
V = 5815.06 gallons to the nearest tenth 5815.1 gallons
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