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an open concrete tank is internally 1m wide 2mlong and 1.5m deep the concrete being 10cm thick.calculate

a.the capacity of the tank in litres
b.the volume of concrete used in metre cube

(a) as usual, length * width * height

1L = 1 dm^3, so
1m^3 = 10^3 L

(b) the concrete volume would be
1.2 * 2.2 *0.1 for the bottom
2(1.1+2.1)*1.5*0.1 for the 4 sides

Did you know?

Did you know that the capacity of an open concrete tank can be calculated using its internal dimensions? For example, let's consider a tank that is 1 meter wide, 2 meters long, and 1.5 meters deep, with the concrete walls being 10 centimeters thick. a) To calculate the capacity of this tank, we need to find the volume of the open space inside. The formula to calculate volume is length x width x height. Therefore, the capacity of this tank is 1m x 2m x 1.5m, which equals 3 cubic meters. b) Additionally, to determine the volume of concrete used, we need to calculate the volume of the inner space and subtract it from the volume of the outer space. The volume of the outer space can be calculated by adding the dimensions of the inner space to the thickness of the concrete walls. So, the volume of the outer space would be (1m+0.1m) x (2m+0.1m) x (1.5m+0.1m), which equals 1.1m x 2.1m x 1.6m, resulting in 3.696 cubic meters. By subtracting the volume of the inner space (3 cubic meters) from the volume of the outer space (3.696 cubic meters), we can determine that approximately 0.696 cubic meters of concrete were used for this tank. Thus, this short "Did you know?" blurb demonstrates the calculation of both the capacity of the tank in liters and the volume of concrete used in meter cubes based on its dimensions.