A secondary compression member has an effective length of 7.2 m with a cross section area of XXXXXXXXXXm 2 and moment of inertia along its weaker axis of XXXXXXXXXXm 4 . If an A 36 steel is used with...

A secondary compression member has an effective length of 7.2 m with a cross section area of 0.0084 m²
and moment of inertia along its weaker axis of 0.000024 m⁴. If an A 36 steel is used with F_y
= 350 MPa. Determine the allowable compressive stress.