Ax 30 kn Ay B 4.5m + Dy = 30 len 0 Vc 4.5m D Ay Ax = Ax - 30% = Xx = 30 kn DY the method of Joints, determine. using the forec in each member of the truss Shown. = 30 kn Ax Ay = Dy = BC Ba= 2 Ac n AD- CD = Okn