Find the number of cubic yards of concrete

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Reference no: EM131369633

Water flows in the symmetrical, unfinished concrete trapezoidal channel shown in Fig. P10.77 at a rate of 120 ft³ /s. The slope is 4.2 ft/2000 ft. Determine the number of cubic yards of concrete needed to line each 1000 ft of the channel.

Reference no: EM131369633

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