In the bridge truss shown in figure, the end chord AB composed of two C 230 x 30 channels latticed together so that the fabricated section has equal moments of inertia about the axes of symmetry. Properties of C 230 x 30 Ix = 25.5 x 10^6 mm^4 A=3800 mm^2 %3D a. Determine the slenderness ration of section AB. b. Determine the capacity of member AB. c. If the safe load P on the truss is governed by the strength of member AB, which of the following gives the value of P using NSCP Specifications with Fy 290 MPa. %3D B 6m P -8m- -8m- P P -8m- -8m -