SOLUTION: A cylindrical oil tank had a diameter of 4th and a length of 40ft. Find the volume of the tank, round to the nearest hundredth.

Question 422080: A cylindrical oil tank had a diameter of 4th and a length of 40ft. Find the volume of the tank, round to the nearest hundredth.
Found 2 solutions by jim_thompson5910, shree840:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Since the diameter is 4 ft, the radius is 4/2=2 ft. So r=2

Start with the volume of a cylinder formula.

Plug in and .

Replace with (note: Use more digits of to get better accuracy).

Square to get .

Multiply , and to get (this value is approximate).

So the volume is approximately 502.654824 cubic ft.

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Jim
Answer by shree840(260) (Show Source): You can put this solution on YOUR website!
I believe dia =4ft and height =40ft
vol = pi*r^2*h
=3.14*4^2*40
=2010.624 cu ft
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