THE_WETTED_PERIMETER_OF_THE_MOST_ECONOMICAL_TRAPEZOIDAL_SECTION_IS_7.47M,_THE_BASE_WIDTH_IS_3M_AND_HAS_THE_SIDE_SLOPE_OF_1H:2V.?$

THE_WETTED_PERIMETER_OF_THE_MOST_ECONOMICAL_TRAPEZOIDAL_SECTION_IS_7.4

1.	THE_WETTED_PERIMETER_OF_THE_MOST_ECONOMICAL_TRAPEZOIDAL_SECTION_IS_7.47M,_THE_BASE_WIDTH_IS_3M_AND_HAS_THE_SIDE_SLOPE_OF_1H:2V.?$
A.	1m
B.	2m
C.	3m
D.	4m
Answer» C. 3m

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