A hot finished rectangular hollow section member is used as a strut in a pin-jointed truss structure. Determine the compression resistance of the member knowing that the design axial load of the strut is Nes - 131.23 kN. Given: Section: 150 x 100 X 6.3 RHS Steel grade: S275 Section Class: Class 1 Length of strut: 8 m on 1 А в І E = 12 % c?