$(3)$

For the following pin$-$jointed structures, determine the reactions at the supports and all member forces, indicating whether the forces are in tension or compression

table$[[$Member$,$Force $($kN$),$Type$],[$AB$,80,$T$],[$AD$,0,],[$BC$,106\mathrm{.}7,$T$],[$BD$,133\mathrm{.}3,$C$],[$CD$,0,],[$CE$,0,],[$CF$,106\mathrm{.}7,$T$],[$DE$,106\mathrm{.}7,$C$],[$EH$,106\mathrm{.}7,$C$],[$FE$,0,],[$FG$,106\mathrm{.}7,$T$],[$FH$,0,],[$GH$,80,$C$],[$GI$,133\mathrm{.}3,$T$],[$GJ$,0,],[$HI$,106\mathrm{.}7,$C$],[$IJ$,0,]]$