statics final project due $12\mathrm{.}13\mathrm{.}24.$

$31$ eventriangle $isa454590.(3e.)$

length each side $=3cm(20.)$

$A$ is a pin. $B$ is a roller. $(1$b$.$iii$)$

$AB$ and $AD$ are zero foree $()(2$c$)$

$3$ external forces $[24\mathrm{.}525$NdarrE$][14\mathrm{.}715$NdarrG$][9\mathrm{.}81$NdarrH$](3b)$

calculate support ran forces & forces in each member, also if $\frac{T}{C}.$

support rxns$.$

$F_x=Ax=0.$

$F_y=A_y+By-24\mathrm{.}525-14\mathrm{.}715-9\mathrm{.}81,$

$M_A=By(18)-24\mathrm{.}525(6)-14\mathrm{.}715(12)-9\mathrm{.}81(15),$