A road embankment is currently under construction. Part of the monitoring process as the embankment is built up is measurement of the cross-sectional areas at regular chainages along the length of the road. A diagram of a typical cross-section of the embankment is shown below.
Calculate the volume of the embankment using a suitable numerical method. Give your answer in m3 to the nearest 0.5 m3
How might future improvements to the method of carrying out the survey improve the accuracy of the results?
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