Extracted text: b). Determine the COMPOSITE centroid of the T section. (x, y shown is the origin and the reference). T Scale: 1 unit= 3 in Area (sq.in) x,A, (in') y,A, (in') Part Dimensions X-centroid y -centroid y A 6 in x18in (Tail of T) В 6 in x30in Top of T) x-Centroid = [in] v-Centroid = lin]