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				| 1. | Calculate the wetted perimeter of a triangular channel section having a depth of 5m and the side slope is equal to tan 30 . | 
| A. | 9.54m | 
| B. | 10.54m | 
| C. | 11.54m | 
| D. | 12.54m | 
| Answer» D. 12.54m | |