$4\mathrm{.}30$ Using the mathematical method of joints, determine the force in each member of the truss in Fig. $4-34.$ Ans. $F_y=1\mathrm{.}33$kips,$E_y=9\mathrm{.}33$kips,$E_x=2$kips,$AB=7\mathrm{.}2$kipsT,$AG=6$kipsC,$BC=6$kipsT, $BG=4$kipsC,$GC=2\mathrm{.}4$kipsT,$GH=6$kipsC,$GE=4\mathrm{.}5$kipsC,$EH=5\mathrm{.}3$kipsC,$HC=5\mathrm{.}3$kipsC,$HD=6$kipsC,$CD=7\mathrm{.}2$kipsT