An earth embankment is 27 m long and has a cross-section
shown in the diagram. Find the volume of earth needed to
build the embankment.
My clairvoyance cap does not seem to be working that well this morning and I can't see your diagram.
You will have to give a better description.
To find the volume of earth needed to build the embankment, we need to calculate the area of the cross-section and then multiply it by the length of the embankment.
Since the cross-section is not provided in the question, I am unable to provide an accurate calculation. However, you can follow these steps to determine the volume of earth needed:
1. Obtain the cross-section diagram of the embankment. It typically shows the shape and dimensions of the embankment at a particular point. If the diagram is not provided, try to visualize or make a rough sketch based on the information given.
2. Measure and record the dimensions of the cross-section. These dimensions may include the width, height, and any other relevant measurements. Ensure they are in the same units (e.g., meters).
3. Using the measurements, calculate the area of the cross-section. The area will depend on the shape of the cross-section. For example, if the cross-section is rectangular, you can use the formula: Area = length × width. If the cross-section is a different shape, you might need to use a different formula or break it down into simpler shapes for calculation.
4. Once you have determined the area of the cross-section, multiply it by the length of the embankment. In this case, the length of the embankment is given as 27 meters. The resulting value will be the volume of earth needed to build the embankment, given in cubic meters.
Remember to double-check your measurements and calculations to ensure accuracy.
I apologize for not being able to give you an exact answer, but I hope these steps help you find the solution.