Determine the position of the centre of gravity (c.g.) and 2nd moment of inertia with respect to c.g. of the section shown below, where A = mm and B = 5 mm. a) x B A y B Calculate the x = mm with respect to the point O. = = 3 b) Calculate the y = mm with respect to the point O. c) Calculate lxx with respect to the centroidal axis. lxx = mm4