Given triangle FGE and IJH. In triangle FGE, $EF=15$ units and $EG=24$ units. In triangle $I{J}_H,IJ=3$ units and $HJ=8.$ If $\frac{?}{{?}_{\frac{?}{?}}FG}\frac{E}{\frac{?}{?}}\frac{?}{?}IJH$ calculate WITH REASONS the length of: $\backslash$table$[[$a$),HI$