Compute the a$)$ flow area, b$)$ wetted perimeter, and c$)$ hydraulic radius, d$)$ slope, e$)$

velocity of the rectangular concrete channel whose depth is $5$ feet and base is $7$ feet. $n=$

$0\mathrm{.}006$ and the flow length is $175ft$ with a $3\mathrm{.}5ft$ elevation drop.

$(20pts)$

Compute the a$)$ flow area, b$)$ wetted perimeter, and c$)$ hydraulic radius, d$)$ slope and e$)$

flow rate of the rectangular concrete channel whose depth is $3\mathrm{.}25$ feet and base is $11\mathrm{.}5$

feet. $n=0\mathrm{.}013$ and the flow length is $187ft$ with a $4\mathrm{.}5ft$ elevation drop.