SOLUTION: A cylindrical water tank is to be made of concrete with the circular base of diameter 5.4 m.a plastic lid is to be placed later.height of the tank is 2.16m.the concrete base is 200
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Question 1036249: A cylindrical water tank is to be made of concrete with the circular base of diameter 5.4 m.a plastic lid is to be placed later.height of the tank is 2.16m.the concrete base is 200mm thick.the walls 150mm thick.determine the tanks capacity and volume of concrete required to make it.
Thanks
Answer by Aldorozos(172) (Show Source): You can put this solution on YOUR website!
We know that once we have the base and the wall, we have a smaller cylinder.
Our base will be a circle with a diameter that is .15 meters shorter. The number .15 is calculated by converting millimeter to meter.
Therefore our circular base will have a diameter of 5.4 - .15 = 5.25 meters
The height will be also shorter due to concrete. The new height is 2.16 - .2
We go .2 by converting the millimeter to meter
Therefore shorter height is 2.16 - .2 = 1.96 meters
Now the volume of this smaller cylinder is pi*r^2*height
We know that the diameter is 5.25. The radius is half of this number which is 2.625
Volume = pi*2.625^2*1.96 The number of pi is around 3.14
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