The following Table 12.9 lists some typical problems relating to efficient trapezoidal channels. Out of the nine variables listed in the Table, four are given in each problem. You are to determine the...

The following Table 12.9 lists some typical problems relating to efficient trapezoidal channels. Out of the nine variables listed in the Table, four are given in each problem. You are to determine the others and fill in the blanks in the table. Note that when m = 0 the channel is rectangular and when B_e
= 0 the channel is triangular.