In a plane truss, if 'M' is the number of members, 'R' is the number of reactions and 'J' is the number of joints, then for this truss to be determinate-A-J = M + RB-J = 2M + RC-3J = M + 2RD-2J = M + R-D-2J = M + R

D 2J = M + R No answer description is available.