The truss from the above questions is being solved using method of sections. A section line was cut through members $\backslash (\backslash$mathrm$\{$FI$\},\backslash$mathrm$\{$EI$\}\backslash ),$ and BC to give the below rigid body. Assuming reaction $\backslash (\backslash$mathrm$\{$B$\}\_\{\backslash$mathrm$\{$y$\}\}\backslash )$ has been previously solved to be $205$ kN $,$ take the sum of moment about point I and calculate member force $\backslash ($ B C $\backslash ).$