For the conditions shown in Figure 3, use LRFD and (a) Select a W18 of A992 steel. (b) Select a steel pipe. (c) Select a square HSS. (d) Select a rectangular HSS. 15′ 4″ D = 100 k L = 300 k Figure 3 Transcribed Image Text:For the conditions shown in Figure 3, use LRFD and (a) Select a W18 of A992 steel. (b) Select a steel pipe. (c) Select a square HSS. (d) Select a rectangular HSS. 15′ – 4″ D = 100 k L = 300 k Figure...