Identify the dimensions of the well Find the cost of plastering the inside walls of the well at rs.15per m2. If the earth taken out is spread over a plot of dimension (25m ×16m).
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How many cubic metres of earth must be dug out to sink a well 14 m deep and having a radius of 4 m. Step by step video, text & image solution for how many cubic metres of earth must be dug out to sink a well 14 m deep and having a radius of 4 m. If the earth taken out is spread over a plot of dimension (25m ×16m).
To find out how many cubic meters of earth must be dug to make a well that is 14 meters deep and 4 meters in diameter, we can follow these steps:
H is the depth of the well. In the problem statement r = 2.8/2 = 1.4m. If the earth taken out is spread. How many cubic meters of earth must be dug out to sink a well 42m deep and 14m in diameter?
The height or depth of the well = 7m. How many cubic metres of earth must be dug out to sink a well 14m deep and having a radius of 4m. A well is in the form of cylindrical form. How many cubic meters of earth must be dug out to make a well 28 m deep and 2.8 m in diameter?
Height of the well =21 m diameter of the well= 6 m ∴ volume of the earth that.
Also, find the cost of plastering its inner surface at rs. Earth must be dug to construct a well 7 m deep and diameter 2.8 m is equal to the volume of a cylinder with 7 m height and diameter 2.8 m. To determine the volume of ground to be dug for constructing the well, we calculate the volume of a cylinder using the formula: Therefore while digging a well with radius 1.4m and depth (height) = 7m the amount of earth that is dug out =.
The volume of the earth that must be dug out is similar to the volume of the cylinder which is equal to πr 2 h.
