The top width of a trapezoidal channel is 12m, the bottom width of th – McqOptions

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1.	The top width of a trapezoidal channel is 12m, the bottom width of the channel is 6m and the side slope is 1H:2V, calculate the wetted perimeter.
A.	17.41m
B.	18.41m
C.	19.41m
D.	20.41m
Answer» D. 20.41m

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