Characteristics of trapezoidal open channels: wetted perimeter, top width, cross-sectional area

[@brook1528]

Thank you so much for this educational video

[@priscamwango8677]

You make it look so simple🙄

[@abdiomar22]

Thank you very much.

[@WahidRashidi-z1y]

Awesome

[@saurabhgupta-tg9oh]

Thanxs