An open water conduit is to be cut in the shape of an isosceles trapezium and lined
Question:
An open water conduit is to be cut in the shape of an isosceles trapezium and lined with material which is available in a standard width of 1 metre, as shown in Figure 8.21.
To achieve maximum potential capacity, the designer has to maximize the area of cross-section A(b). Show that
![A(b) = [(1 + b)(1 - b)]/](https://dsd5zvtm8ll6.cloudfront.net/images/question_images/1704/9/7/7/661659fe4fd37cd41704977660910.jpg){kind=small}
and that this is maximized when b = 0.5.
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Step by Step Answer:
Let area of crosssection be A m then 12 2 2b...View the full answer
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