IF_THE_DEPTH_OF_A_TRAPEZOIDAL_SECTION_IS_0.50_M_AND_FREE_BOARD_IS_0.15_M_,_THEN_THE_TOTAL_DEPTH_IS?$

• A. 0.35 m
• B. 0.65 m
• C. 0.50 m
• D. 0.15 m