Problem $06\mathrm{.}049-$ The forces in members

Determine the force in members $\backslash ($ C D $\backslash )$ and $\backslash ($ D F $\backslash )$ of the truss shown when $\backslash ($ P$=15\backslash$mathrm$\{$kN$\}\backslash ).$

The force in $\backslash ($ C D $\backslash )$ is The force in DF is

kN $.($Click to select$)\backslash (\backslash$checkmark $\backslash )$

kN $.($Click to select$)\backslash (\backslash$vee $\backslash )$