Determine the horizontal and vertical support reaction forces at the pins: $A,B,C,$ and $D.$

$($a$)$ Identify all individual members of the frame and draw a FreeBody Diagram for each.

$[10$ points$]$

$($b$)$ Write out the Equations of Equilibrium for each Free$-$Body Diagram.

$($c$)$ Determine the horizontal and vertical support reaction forces at the pins: $A,B,C,$ and $D.$