$($Right$)$ Truss for Question $3.$

$3.($Maximum $10$ points$)$ Consider the truss shown in figure $2($right$).$ There is a hinge present at $E$ while a roller is present at $C.$ Answer the following:

$($a$)(2$ points$)$ What is the degree of indeterminacy of this truss?

$($b$)(2$ points$)$ Determine the support reactions.

$($c$)(6$ points$)$ Determine the forces in each member of the truss.